From: Liam Howlett <liam.howlett@oracle.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Yu Zhao <yuzhao@google.com>
Subject: Re: [PATCH v8 66/70] nommu: remove uses of VMA linked list
Date: Fri, 29 Apr 2022 20:16:13 +0000 [thread overview]
Message-ID: <20220429201605.3wd6mhdr6i3l5b4u@revolver> (raw)
In-Reply-To: <20220428163132.GA3124052@roeck-us.net>
* Guenter Roeck <linux@roeck-us.net> [220428 12:31]:
> On Tue, Apr 26, 2022 at 03:06:52PM +0000, Liam Howlett wrote:
> > From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
> >
> > Use the maple tree or VMA iterator instead. This is faster and will allow
> > us to shrink the VMA.
> >
> > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> > Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
> > Acked-by: Vlastimil Babka <vbabka@suse.cz>
>
> This patch also results in boot failures for m68k:mcf5208evb qemu emulations.
> Backtrace and bisect log attached.
Thanks, I have tried my branch and was able to get buildroot to boot and
log in. At least maple tree worked on this platform at one point.
>
> Guenter
>
> ---
> # bad: [bdc61aad77faf67187525028f1f355eff3849f22] Add linux-next specific files for 20220428
> # good: [af2d861d4cd2a4da5137f795ee3509e6f944a25b] Linux 5.18-rc4
> git bisect start 'HEAD' 'v5.18-rc4'
> # good: [a6ffa4aa7e81a54632f3370f4c93fce603160192] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
> git bisect good a6ffa4aa7e81a54632f3370f4c93fce603160192
> # good: [cd63f17e3bb63006f9f88bf7f5947b8e1601bcd9] Merge branch 'edac-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git
> git bisect good cd63f17e3bb63006f9f88bf7f5947b8e1601bcd9
> # good: [cee7bbed3e5cc089b5c364ac8ad4a186c2a28bb6] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git
> git bisect good cee7bbed3e5cc089b5c364ac8ad4a186c2a28bb6
> # good: [d5a23156ea99f10b584221893a6a7d6f6554cde8] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git
> git bisect good d5a23156ea99f10b584221893a6a7d6f6554cde8
> # good: [2f1fde90d983bc404503100c9c4bbbf1e191bcf4] selftests: cgroup: fix alloc_anon_noexit() instantly freeing memory
> git bisect good 2f1fde90d983bc404503100c9c4bbbf1e191bcf4
> # good: [fca1db6ff251278c532231552e840c7dc36dfa76] Merge branch 'bitmap-for-next' of https://github.com/norov/linux.git
> git bisect good fca1db6ff251278c532231552e840c7dc36dfa76
> # good: [40b39116fe8e6fb66e3166ea40138eec506dfd91] perf: use VMA iterator
> git bisect good 40b39116fe8e6fb66e3166ea40138eec506dfd91
> # bad: [33ef257872566922df2b6bcfdb5330b2388aef53] Docs/{ABI,admin-guide}/damon: update for fixed virtual address ranges monitoring
> git bisect bad 33ef257872566922df2b6bcfdb5330b2388aef53
> # good: [2d8640f244c1ea6c40acde911d339dabc2ac765d] mm/oom_kill: use maple tree iterators instead of vma linked list
> git bisect good 2d8640f244c1ea6c40acde911d339dabc2ac765d
> # bad: [49d281fa016f2906346f1707e5059b6f7674a948] mm/mmap.c: pass in mapping to __vma_link_file()
> git bisect bad 49d281fa016f2906346f1707e5059b6f7674a948
> # bad: [487c2c6d922605aebe6f470e1a458eb1425548db] nommu: remove uses of VMA linked list
> git bisect bad 487c2c6d922605aebe6f470e1a458eb1425548db
> # good: [dc4a1ab575a32e454be953f7b1b0222dcd3d47fa] mm/swapfile: use vma iterator instead of vma linked list
> git bisect good dc4a1ab575a32e454be953f7b1b0222dcd3d47fa
> # good: [7fffbdd08665ddeeb38768309269fa5b32388c3d] i915: use the VMA iterator
> git bisect good 7fffbdd08665ddeeb38768309269fa5b32388c3d
> # first bad commit: [487c2c6d922605aebe6f470e1a458eb1425548db] nommu: remove uses of VMA linked list
>
> ---
>
> ...
> page allocation failure: order:7, mode:0xcc0(GFP_KERNEL), nodemask=(null)
> CPU: 0 PID: 62 Comm: echo Not tainted 5.18.0-rc4-next-20220428 #1
> Stack from 405d9d14:
> 405d9d14 40335f43 40335f43 00000000 00000000 402da566 40335f43 400926f6
> 00000cc0 00000000 00000000 00000000 405d8000 40906ee0 405d9d6c 40335402
> 405d9d4c 405d9df8 40093158 00000cc0 00000000 40335402 00000007 00000007
> 000d8000 00000cc0 00000001 00000077 0000006c 00000000 40906ee0 409049a0
> 00000000 00000000 00000001 00000000 00000400 41cdad88 00000000 001008c0
> 00000000 409830d2 405d4037 283a0000 00004037 283a0000 00000000 00010000
> Call Trace: [<402da566>] dump_stack+0xc/0x10
> [<400926f6>] warn_alloc+0xd0/0x1ce
> [<40093158>] __alloc_pages+0x8c6/0xb7e
> [<40046f82>] check_preempt_wakeup+0xce/0x178
> [<400965da>] kmem_cache_alloc+0x22/0x17e
> [<40093ca2>] alloc_pages_exact+0x86/0x14e
> [<4008ddca>] do_mmap+0x3d8/0xa8a
> [<40085ece>] vm_mmap_pgoff+0x5c/0x84
> [<400a486c>] begin_new_exec+0x45e/0x852
> [<400f1ea0>] load_flat_binary+0x5e8/0x878
> [<4009bf94>] kernel_read+0x0/0x98
> [<402d4308>] memset+0x0/0x70
> [<4009e842>] fput+0x0/0x18
> [<400a3638>] bprm_execve+0x188/0x3bc
> [<400a3ab6>] copy_string_kernel+0x0/0x146
> [<400a30ca>] copy_strings+0x0/0x1b4
> [<400a3dce>] do_execveat_common+0x14c/0x220
> [<403768f4>] do_name+0x27a/0x296
> [<403765ec>] do_header+0x1c6/0x21c
> [<403768f4>] do_name+0x27a/0x296
> [<400a4c86>] sys_execve+0x26/0x30
> [<403768f4>] do_name+0x27a/0x296
> [<403765ec>] do_header+0x1c6/0x21c
> [<400a4c60>] sys_execve+0x0/0x30
> [<40022154>] system_call+0x48/0x94
> [<403768f4>] do_name+0x27a/0x296
> [<403765ec>] do_header+0x1c6/0x21c
> Mem-Info:
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:152
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1071 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:216kB pagetables:0kB all_unreclaimable? no
> DMA free:8568kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 1*8kB (U) 1*16kB (U) 9*32kB (U) 7*64kB (U) 21*128kB (U) 8*256kB (U) 6*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 8568kB
> 613 total pagecache pages
> 4096 pages RAM
> 0 pages HighMem/MovableOnly
> 476 pages reserved
> nommu: Allocation of length 884736 from process 62 (echo) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:152
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1071 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:216kB pagetables:0kB all_unreclaimable? no
> DMA free:8568kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 1*8kB (U) 1*16kB (U) 9*32kB (U) 7*64kB (U) 21*128kB (U) 8*256kB (U) 6*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 8568kB
> 613 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 63 (echo) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1409 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:176kB pagetables:0kB all_unreclaimable? no
> DMA free:11272kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 5*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11272kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 64 ([) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1409 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:176kB pagetables:0kB all_unreclaimable? no
> DMA free:11272kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 5*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11272kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 65 ([) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1415 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:168kB pagetables:0kB all_unreclaimable? no
> DMA free:11320kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 11*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11320kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 66 (S20urandom) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1415 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:168kB pagetables:0kB all_unreclaimable? no
> DMA free:11320kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 11*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11320kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 67 ([) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1415 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:168kB pagetables:0kB all_unreclaimable? no
> DMA free:11320kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 11*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11320kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 68 (S40network) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1415 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:168kB pagetables:0kB all_unreclaimable? no
> DMA free:11320kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 11*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11320kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 69 ([) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1415 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:168kB pagetables:0kB all_unreclaimable? no
> DMA free:11320kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 11*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11320kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
> nommu: Allocation of length 884736 from process 70 (S55runtest) failed
> active_anon:0 inactive_anon:0 isolated_anon:0
> active_file:0 inactive_file:0 isolated_file:0
> unevictable:606 dirty:0 writeback:0
> slab_reclaimable:62 slab_unreclaimable:153
> mapped:0 shmem:0 pagetables:0 bounce:0
> kernel_misc_reclaimable:0
> free:1415 free_pcp:0 free_cma:0
> Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:168kB pagetables:0kB all_unreclaimable? no
> DMA free:11320kB boost:0kB min:664kB low:824kB high:984kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:4848kB writepending:0kB present:32768kB managed:28960kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
> lowmem_reserve[]: 0 0 0
> DMA: 11*8kB (U) 6*16kB (U) 12*32kB (U) 10*64kB (U) 21*128kB (U) 11*256kB (U) 9*512kB (U) 0*1024kB 0*2048kB 0*4096kB 0*8192kB = 11320kB
> 614 total pagecache pages
> binfmt_flat: Unable to allocate RAM for process text/data, errno -12
next prev parent reply other threads:[~2022-04-29 20:16 UTC|newest]
Thread overview: 114+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-26 15:06 [PATCH v8 00/70] Introducing the Maple Tree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 02/70] radix tree test suite: add kmem_cache_set_non_kernel() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 01/70] radix tree test suite: add pr_err define Liam Howlett
2022-04-26 15:06 ` [PATCH v8 03/70] radix tree test suite: add allocation counts and size to kmem_cache Liam Howlett
2022-04-26 15:06 ` [PATCH v8 04/70] radix tree test suite: add support for slab bulk APIs Liam Howlett
2022-04-26 15:06 ` [PATCH v8 05/70] radix tree test suite: add lockdep_is_held to header Liam Howlett
2022-04-26 15:06 ` [PATCH v8 06/70] mips: rename mt_init to mips_mt_init Liam Howlett
2022-04-26 15:06 ` [PATCH v8 07/70] Maple Tree: add new data structure Liam Howlett
2022-04-27 15:45 ` Liam Howlett
2022-04-26 15:06 ` [PATCH v8 08/70] lib/test_maple_tree: add testing for maple tree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 09/70] mm: start tracking VMAs with " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 12/70] mm/mmap: use the maple tree in find_vma() instead of the rbtree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 10/70] mm: add VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 11/70] mmap: use the VMA iterator in count_vma_pages_range() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 14/70] mm/mmap: use maple tree for unmapped_area{_topdown} Liam Howlett
2022-04-26 15:06 ` [PATCH v8 13/70] mm/mmap: use the maple tree for find_vma_prev() instead of the rbtree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 16/70] damon: Convert __damon_va_three_regions to use the VMA iterator Liam Howlett
2022-05-03 23:40 ` SeongJae Park
2022-04-26 15:06 ` [PATCH v8 15/70] kernel/fork: use maple tree for dup_mmap() during forking Liam Howlett
2022-04-26 15:06 ` [PATCH v8 17/70] proc: remove VMA rbtree use from nommu Liam Howlett
2022-04-26 15:06 ` [PATCH v8 18/70] mm: remove rb tree Liam Howlett
2022-04-26 15:06 ` [PATCH v8 20/70] xen: use vma_lookup() in privcmd_ioctl_mmap() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 21/70] mm: optimize find_exact_vma() to use vma_lookup() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 19/70] mmap: change zeroing of maple tree in __vma_adjust() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap() Liam Howlett
2022-04-28 16:09 ` Guenter Roeck
2022-04-28 16:35 ` Liam Howlett
2022-04-28 17:13 ` Guenter Roeck
2022-04-28 20:19 ` Guenter Roeck
2022-04-29 0:38 ` Liam Howlett
2022-04-29 1:16 ` Andrew Morton
2022-05-02 0:14 ` Liam Howlett
2022-05-02 0:24 ` Andrew Morton
2022-05-02 10:18 ` Heiko Carstens
2022-05-02 13:31 ` Liam Howlett
2022-05-02 18:50 ` Heiko Carstens
2022-05-03 19:48 ` Heiko Carstens
2022-05-03 21:55 ` Liam Howlett
2022-05-04 7:37 ` Janosch Frank
2022-05-04 18:31 ` David Hildenbrand
2022-05-04 18:47 ` Liam Howlett
2022-06-29 7:04 ` qemu-system-s390x hang in tcg (was: Re: [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap()) Sven Schnelle
2022-06-29 8:10 ` Alex Bennée
2022-06-29 10:46 ` qemu-system-s390x hang in tcg Sven Schnelle
2022-06-29 12:18 ` Sven Schnelle
2022-06-29 14:52 ` Alex Bennée
2022-06-30 3:03 ` Richard Henderson
2022-05-02 7:08 ` [PATCH v8 23/70] mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap() Juergen Gross
2022-04-26 15:06 ` [PATCH v8 22/70] mm/khugepaged: optimize collapse_pte_mapped_thp() by using vma_lookup() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 24/70] mm: use maple tree operations for find_vma_intersection() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 25/70] mm/mmap: use advanced maple tree API for mmap_region() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 26/70] mm: remove vmacache Liam Howlett
2022-04-26 15:06 ` [PATCH v8 27/70] mm: convert vma_lookup() to use mtree_load() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 28/70] mm/mmap: move mmap_region() below do_munmap() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 29/70] mm/mmap: reorganize munmap to use maple states Liam Howlett
2022-04-26 15:06 ` [PATCH v8 30/70] mm/mmap: change do_brk_munmap() to use do_mas_align_munmap() Liam Howlett
2022-04-26 15:06 ` [PATCH v8 31/70] arm64: remove mmap linked list from vdso Liam Howlett
2022-04-26 15:06 ` [PATCH v8 32/70] arm64: Change elfcore for_each_mte_vma() to use VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 34/70] powerpc: remove mmap linked list walks Liam Howlett
2022-04-26 15:06 ` [PATCH v8 33/70] parisc: remove mmap linked list from cache handling Liam Howlett
2022-04-26 15:06 ` [PATCH v8 35/70] s390: remove vma linked list walks Liam Howlett
2022-04-26 15:06 ` [PATCH v8 36/70] x86: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 37/70] xtensa: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 38/70] cxl: remove vma linked list walk Liam Howlett
2022-04-26 15:06 ` [PATCH v8 39/70] optee: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 40/70] um: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 42/70] exec: use VMA iterator instead of linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 43/70] fs/proc/base: use maple tree iterators in place " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 41/70] coredump: remove vma linked list walk Liam Howlett
2022-04-26 15:06 ` [PATCH v8 44/70] fs/proc/task_mmu: stop using linked list and highest_vm_end Liam Howlett
2022-04-26 15:06 ` [PATCH v8 45/70] userfaultfd: use maple tree iterator to iterate VMAs Liam Howlett
2022-04-27 15:43 ` Liam Howlett
2022-04-26 15:06 ` [PATCH v8 46/70] ipc/shm: use VMA iterator instead of linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 48/70] perf: use VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 47/70] acct: use VMA iterator instead of linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 49/70] sched: use maple tree iterator to walk VMAs Liam Howlett
2022-04-26 15:06 ` [PATCH v8 50/70] fork: use VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 52/70] mm/gup: use maple tree navigation instead of linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 51/70] bpf: remove VMA " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 53/70] mm/khugepaged: stop using vma " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 54/70] mm/ksm: use vma iterators instead of " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 56/70] mm/memcontrol: stop using mm->highest_vm_end Liam Howlett
2022-04-26 15:06 ` [PATCH v8 55/70] mm/madvise: use vma_find() instead of vma linked list Liam Howlett
2022-04-26 15:06 ` [PATCH v8 57/70] mm/mempolicy: use vma iterator & maple state " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 59/70] mm/mprotect: use maple tree navigation " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 58/70] mm/mlock: use vma iterator and " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 60/70] mm/mremap: use vma_find_intersection() " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 61/70] mm/msync: use vma_find() " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 63/70] mm/pagewalk: " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 62/70] mm/oom_kill: use maple tree iterators " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 64/70] mm/swapfile: use vma iterator " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 65/70] i915: use the VMA iterator Liam Howlett
2022-04-26 15:06 ` [PATCH v8 67/70] riscv: use vma iterator for vdso Liam Howlett
2022-04-26 15:06 ` [PATCH v8 66/70] nommu: remove uses of VMA linked list Liam Howlett
2022-04-28 16:05 ` Guenter Roeck
2022-04-28 16:31 ` Guenter Roeck
2022-04-29 20:16 ` Liam Howlett [this message]
2022-04-26 15:06 ` [PATCH v8 68/70] mm: remove the vma " Liam Howlett
2022-04-26 15:06 ` [PATCH v8 69/70] mm/mmap: drop range_has_overlap() function Liam Howlett
2022-04-26 15:06 ` [PATCH v8 70/70] mm/mmap.c: pass in mapping to __vma_link_file() Liam Howlett
2022-04-26 20:06 ` [PATCH v8 00/70] Introducing the Maple Tree Andrew Morton
2022-04-26 20:08 ` Andrew Morton
2022-04-26 20:23 ` Matthew Wilcox
2022-04-27 14:08 ` Liam Howlett
2022-04-27 17:33 ` Andrew Morton
2022-04-27 18:12 ` Matthew Wilcox
2022-05-01 20:26 ` Davidlohr Bueso
2022-05-01 23:56 ` Andrew Morton
2022-05-04 0:43 ` Liam Howlett
2022-04-28 2:28 ` Liam Howlett
2022-04-27 16:10 ` Qian Cai
2022-04-27 16:51 ` Liam Howlett
2022-04-27 20:21 ` Qian Cai
2022-04-27 22:41 ` Liam Howlett
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220429201605.3wd6mhdr6i3l5b4u@revolver \
--to=liam.howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux@roeck-us.net \
--cc=maple-tree@lists.infradead.org \
--cc=yuzhao@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox