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From: Liam Howlett <liam.howlett@oracle.com>
To: "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>
Cc: Liam Howlett <liam.howlett@oracle.com>,
	Liam Howlett <liam.howlett@oracle.com>
Subject: [PATCH 22/43] mmap: Pass through vmi iterator to __split_vma()
Date: Tue, 29 Nov 2022 16:44:30 +0000	[thread overview]
Message-ID: <20221129164352.3374638-23-Liam.Howlett@oracle.com> (raw)
In-Reply-To: <20221129164352.3374638-1-Liam.Howlett@oracle.com>

From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

Use the vma iterator so that the iterator can be invalidated or updated
to avoid each caller doing so.

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---
 mm/mmap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index 4102cb0c2793..4dda84378831 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2447,7 +2447,7 @@ do_vmi_align_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma,
 		if (end < vma->vm_end && mm->map_count >= sysctl_max_map_count)
 			goto map_count_exceeded;
 
-		error = __split_vma(mm, vma, start, 0);
+		error = vmi__split_vma(vmi, mm, vma, start, 0);
 		if (error)
 			goto start_split_failed;
 
@@ -2468,7 +2468,7 @@ do_vmi_align_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma,
 		if (next->vm_end > end) {
 			struct vm_area_struct *split;
 
-			error = __split_vma(mm, next, end, 1);
+			error = vmi__split_vma(vmi, mm, next, end, 1);
 			if (error)
 				goto end_split_failed;
 
-- 
2.35.1


  parent reply	other threads:[~2022-11-29 16:53 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-29 16:44 [PATCH 00/43] VMA type safety through VMA iterator Liam Howlett
2022-11-29 16:44 ` [PATCH 02/43] maple_tree: Fix potential rcu issue Liam Howlett
2022-11-29 16:44 ` [PATCH 03/43] maple_tree: Reduce user error potential Liam Howlett
2022-11-29 16:44 ` [PATCH 01/43] maple_tree: Add mas_init() function Liam Howlett
2022-11-29 16:44 ` [PATCH 05/43] mm: Expand vma iterator interface Liam Howlett
2022-11-30 16:35   ` kernel test robot
2022-12-13 21:04     ` Liam Howlett
2022-11-29 16:44 ` [PATCH 04/43] test_maple_tree: Test modifications while iterating Liam Howlett
2022-11-29 16:44 ` [PATCH 06/43] mm/mmap: convert brk to use vma iterator Liam Howlett
2022-11-29 16:44 ` [PATCH 08/43] mmap: Convert vma_link() " Liam Howlett
2022-11-29 16:44 ` [PATCH 07/43] kernel/fork: Convert forking to using the vmi iterator Liam Howlett
2022-11-29 16:44 ` [PATCH 09/43] mm/mmap: Remove preallocation from do_mas_align_munmap() Liam Howlett
2022-11-29 16:44 ` [PATCH 10/43] mmap: Change do_mas_munmap and do_mas_aligned_munmap() to use vma iterator Liam Howlett
2022-11-29 16:44 ` [PATCH 11/43] mmap: Convert vma_expand() " Liam Howlett
2022-11-29 16:44 ` [PATCH 13/43] ipc/shm: Use the vma iterator for munmap calls Liam Howlett
2022-11-29 16:44 ` [PATCH 12/43] mm: Add temporary vma iterator versions of vma_merge(), split_vma(), and __split_vma() Liam Howlett
2022-11-29 16:44 ` [PATCH 15/43] mm: Change mprotect_fixup to vma iterator Liam Howlett
2022-11-29 16:44 ` [PATCH 14/43] userfaultfd: Use " Liam Howlett
2022-11-29 16:44 ` [PATCH 17/43] coredump: Convert to " Liam Howlett
2022-11-29 16:44 ` [PATCH 16/43] mlock: Convert mlock " Liam Howlett
2022-11-29 16:44 ` [PATCH 19/43] task_mmu: Convert " Liam Howlett
2022-11-29 16:44 ` [PATCH 18/43] mempolicy: " Liam Howlett
2022-11-29 16:44 ` [PATCH 21/43] madvise: Use vmi iterator for __split_vma() and vma_merge() Liam Howlett
2022-11-29 16:44 ` [PATCH 20/43] sched: Convert to vma iterator Liam Howlett
2022-11-29 16:44 ` [PATCH 23/43] mmap: Use vmi version of vma_merge() Liam Howlett
2022-11-29 16:44 ` Liam Howlett [this message]
2022-11-29 16:44 ` [PATCH 25/43] mm: Switch vma_merge(), split_vma(), and __split_vma to vma iterator Liam Howlett
2022-11-29 16:44 ` [PATCH 24/43] mm/mremap: Use vmi version of vma_merge() Liam Howlett
2022-11-29 16:44 ` [PATCH 27/43] mm: Pass through vma iterator to __vma_adjust() Liam Howlett
2022-11-29 16:44 ` [PATCH 26/43] mmap: Convert __vma_adjust() to use vma iterator Liam Howlett
2022-12-01 19:53   ` kernel test robot
2022-12-13 21:05     ` Liam Howlett
2022-11-29 16:44 ` [PATCH 30/43] mm: Pass vma iterator through to __vma_adjust() Liam Howlett
2022-11-29 16:44 ` [PATCH 28/43] madvise: Use split_vma() instead of __split_vma() Liam Howlett
2022-11-29 16:44 ` [PATCH 29/43] mm: Remove unnecessary write to vma iterator in __vma_adjust() Liam Howlett
2022-11-29 16:44 ` [PATCH 32/43] mmap: Clean up mmap_region() unrolling Liam Howlett
2022-11-29 16:44 ` [PATCH 31/43] mm: Add vma iterator to vma_adjust() arguments Liam Howlett
2022-11-29 16:44 ` [PATCH 33/43] mm: Change munmap splitting order and move_vma() Liam Howlett
2022-11-29 16:44 ` [PATCH 34/43] mm/mmap: move anon_vma setting in __vma_adjust() Liam Howlett
2022-11-29 16:44 ` [PATCH 35/43] mm/mmap: Refactor locking out of __vma_adjust() Liam Howlett
2022-11-29 16:44 ` [PATCH 36/43] mm/mmap: Use vma_prepare() and vma_complete() in vma_expand() Liam Howlett
2022-11-29 16:44 ` [PATCH 38/43] mm: Don't use __vma_adjust() in __split_vma() Liam Howlett
2022-11-29 16:44 ` [PATCH 39/43] mm/mmap: Don't use __vma_adjust() in shift_arg_pages() Liam Howlett
2022-11-29 16:44 ` [PATCH 37/43] mm/mmap: Introduce init_vma_prep() and init_multi_vma_prep() Liam Howlett
2022-11-29 16:44 ` [PATCH 42/43] mm/mmap: Remove __vma_adjust() Liam Howlett
2022-11-29 16:44 ` [PATCH 41/43] mm/mmap: Convert do_brk_flags() to use vma_prepare() and vma_complete() Liam Howlett
2022-11-29 16:44 ` [PATCH 40/43] mm/mmap: Introduce dup_vma_anon() helper Liam Howlett
2022-11-29 16:44 ` [PATCH 43/43] vma_merge: Set vma iterator to correct position Liam Howlett
2022-11-30  0:46 ` [PATCH 00/43] VMA type safety through VMA iterator Liam Howlett

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