From: kernel test robot <lkp@intel.com>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Janosch Frank <frankja@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
David Hildenbrand <david@redhat.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>, Peter Xu <peterx@redhat.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Arnd Bergmann <arnd@arndb.de>, Zi Yan <ziy@nvidia.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Nico Pache <npache@redhat.com>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Barry Song <baohua@kernel.org>, Lance Yang <lance.yang@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
Oscar Salvador <osalvador@suse.de>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 10/16] mm: replace pmd_to_swp_entry() with leafent_from_pmd()
Date: Tue, 4 Nov 2025 00:24:31 +0800 [thread overview]
Message-ID: <202511032303.n4dF1k87-lkp@intel.com> (raw)
In-Reply-To: <38c26e75ed00263e9ecbebb0c045dd6d8183ec67.1762171281.git.lorenzo.stoakes@oracle.com>
Hi Lorenzo,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Lorenzo-Stoakes/mm-correctly-handle-UFFD-PTE-markers/20251103-204118
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/38c26e75ed00263e9ecbebb0c045dd6d8183ec67.1762171281.git.lorenzo.stoakes%40oracle.com
patch subject: [PATCH 10/16] mm: replace pmd_to_swp_entry() with leafent_from_pmd()
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20251103/202511032303.n4dF1k87-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251103/202511032303.n4dF1k87-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511032303.n4dF1k87-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from mm/folio-compat.c:7:
In file included from include/linux/migrate.h:9:
In file included from include/linux/leafops.h:6:
>> include/linux/swapops.h:90:21: error: use of undeclared identifier 'MAX_SWAPFILES_SHIFT'
90 | ret.val = (type << SWP_TYPE_SHIFT) | (offset & SWP_OFFSET_MASK);
| ^
include/linux/swapops.h:27:45: note: expanded from macro 'SWP_TYPE_SHIFT'
27 | #define SWP_TYPE_SHIFT (BITS_PER_XA_VALUE - MAX_SWAPFILES_SHIFT)
| ^
include/linux/swapops.h:90:49: error: use of undeclared identifier 'MAX_SWAPFILES_SHIFT'
90 | ret.val = (type << SWP_TYPE_SHIFT) | (offset & SWP_OFFSET_MASK);
| ^
include/linux/swapops.h:28:34: note: expanded from macro 'SWP_OFFSET_MASK'
28 | #define SWP_OFFSET_MASK ((1UL << SWP_TYPE_SHIFT) - 1)
| ^
include/linux/swapops.h:27:45: note: expanded from macro 'SWP_TYPE_SHIFT'
27 | #define SWP_TYPE_SHIFT (BITS_PER_XA_VALUE - MAX_SWAPFILES_SHIFT)
| ^
include/linux/swapops.h:100:23: error: use of undeclared identifier 'MAX_SWAPFILES_SHIFT'
100 | return (entry.val >> SWP_TYPE_SHIFT);
| ^
include/linux/swapops.h:27:45: note: expanded from macro 'SWP_TYPE_SHIFT'
27 | #define SWP_TYPE_SHIFT (BITS_PER_XA_VALUE - MAX_SWAPFILES_SHIFT)
| ^
include/linux/swapops.h:109:21: error: use of undeclared identifier 'MAX_SWAPFILES_SHIFT'
109 | return entry.val & SWP_OFFSET_MASK;
| ^
include/linux/swapops.h:28:34: note: expanded from macro 'SWP_OFFSET_MASK'
28 | #define SWP_OFFSET_MASK ((1UL << SWP_TYPE_SHIFT) - 1)
| ^
include/linux/swapops.h:27:45: note: expanded from macro 'SWP_TYPE_SHIFT'
27 | #define SWP_TYPE_SHIFT (BITS_PER_XA_VALUE - MAX_SWAPFILES_SHIFT)
| ^
>> include/linux/swapops.h:395:19: error: use of undeclared identifier 'SWP_PTE_MARKER'
395 | return swp_entry(SWP_PTE_MARKER, marker);
| ^
include/linux/swapops.h:448:15: error: use of undeclared identifier 'MAX_SWAPFILES_SHIFT'
448 | BUILD_BUG_ON(SWP_TYPE_SHIFT < SWP_PFN_BITS);
| ^
include/linux/swapops.h:27:45: note: expanded from macro 'SWP_TYPE_SHIFT'
27 | #define SWP_TYPE_SHIFT (BITS_PER_XA_VALUE - MAX_SWAPFILES_SHIFT)
| ^
include/linux/swapops.h:491:28: error: use of undeclared identifier 'MAX_SWAPFILES'
491 | return swp_type(entry) >= MAX_SWAPFILES;
| ^
7 errors generated.
vim +/MAX_SWAPFILES_SHIFT +90 include/linux/swapops.h
099dd6878b9b12 Peter Xu 2021-06-15 82
^1da177e4c3f41 Linus Torvalds 2005-04-16 83 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 84 * Store a type+offset into a swp_entry_t in an arch-independent format
^1da177e4c3f41 Linus Torvalds 2005-04-16 85 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 86 static inline swp_entry_t swp_entry(unsigned long type, pgoff_t offset)
^1da177e4c3f41 Linus Torvalds 2005-04-16 87 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 88 swp_entry_t ret;
^1da177e4c3f41 Linus Torvalds 2005-04-16 89
3159f943aafdba Matthew Wilcox 2017-11-03 @90 ret.val = (type << SWP_TYPE_SHIFT) | (offset & SWP_OFFSET_MASK);
^1da177e4c3f41 Linus Torvalds 2005-04-16 91 return ret;
^1da177e4c3f41 Linus Torvalds 2005-04-16 92 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 93
^1da177e4c3f41 Linus Torvalds 2005-04-16 94 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 95 * Extract the `type' field from a swp_entry_t. The swp_entry_t is in
^1da177e4c3f41 Linus Torvalds 2005-04-16 96 * arch-independent format
^1da177e4c3f41 Linus Torvalds 2005-04-16 97 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 98 static inline unsigned swp_type(swp_entry_t entry)
^1da177e4c3f41 Linus Torvalds 2005-04-16 99 {
3159f943aafdba Matthew Wilcox 2017-11-03 100 return (entry.val >> SWP_TYPE_SHIFT);
^1da177e4c3f41 Linus Torvalds 2005-04-16 101 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 102
^1da177e4c3f41 Linus Torvalds 2005-04-16 103 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 104 * Extract the `offset' field from a swp_entry_t. The swp_entry_t is in
^1da177e4c3f41 Linus Torvalds 2005-04-16 105 * arch-independent format
^1da177e4c3f41 Linus Torvalds 2005-04-16 106 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 107 static inline pgoff_t swp_offset(swp_entry_t entry)
^1da177e4c3f41 Linus Torvalds 2005-04-16 108 {
3159f943aafdba Matthew Wilcox 2017-11-03 @109 return entry.val & SWP_OFFSET_MASK;
^1da177e4c3f41 Linus Torvalds 2005-04-16 110 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 111
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-11-03 16:25 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-03 12:31 [PATCH 00/16] mm: remove is_swap_[pte, pmd]() + non-swap entries, introduce leaf entries Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 01/16] mm: correctly handle UFFD PTE markers Lorenzo Stoakes
2025-11-05 18:25 ` Vlastimil Babka
2025-11-03 12:31 ` [PATCH 02/16] mm: introduce leaf entry type and use to simplify leaf entry logic Lorenzo Stoakes
2025-11-03 17:27 ` Lorenzo Stoakes
2025-11-05 14:42 ` Gregory Price
2025-11-05 17:21 ` Jason Gunthorpe
2025-11-05 17:32 ` Lorenzo Stoakes
2025-11-05 18:16 ` Jason Gunthorpe
2025-11-05 19:54 ` Lorenzo Stoakes
2025-11-05 19:06 ` Matthew Wilcox
2025-11-05 19:25 ` Gregory Price
2025-11-05 19:52 ` Lorenzo Stoakes
2025-11-05 19:56 ` David Hildenbrand
2025-11-05 20:01 ` Gregory Price
2025-11-05 20:05 ` Lorenzo Stoakes
2025-11-05 20:11 ` David Hildenbrand (Red Hat)
2025-11-05 21:08 ` Lorenzo Stoakes
2025-11-05 21:15 ` David Hildenbrand (Red Hat)
2025-11-05 21:24 ` Lorenzo Stoakes
2025-11-05 21:29 ` David Hildenbrand (Red Hat)
2025-11-05 21:47 ` Lorenzo Stoakes
2025-11-05 19:56 ` Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 03/16] mm: avoid unnecessary uses of is_swap_pte() Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 04/16] mm: eliminate uses of is_swap_pte() when leafent_from_pte() suffices Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 05/16] mm: use leaf entries in debug pgtable + remove is_swap_pte() Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 06/16] fs/proc/task_mmu: refactor pagemap_pmd_range() Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 07/16] mm: avoid unnecessary use of is_swap_pmd() Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 08/16] mm/huge_memory: refactor copy_huge_pmd() non-present logic Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 09/16] mm/huge_memory: refactor change_huge_pmd() " Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 10/16] mm: replace pmd_to_swp_entry() with leafent_from_pmd() Lorenzo Stoakes
2025-11-03 15:01 ` kernel test robot
2025-11-03 15:14 ` Lorenzo Stoakes
2025-11-03 16:24 ` kernel test robot [this message]
2025-11-03 17:30 ` Lorenzo Stoakes
2025-11-04 0:15 ` kernel test robot
2025-11-03 12:31 ` [PATCH 11/16] mm: introduce pmd_is_huge() and use where appropriate Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 12/16] mm: remove remaining is_swap_pmd() users and is_swap_pmd() Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 13/16] mm: remove non_swap_entry() and use leaf entry helpers instead Lorenzo Stoakes
2025-11-04 6:02 ` kernel test robot
2025-11-04 6:13 ` Lorenzo Stoakes
2025-11-04 6:17 ` Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 14/16] mm: remove is_hugetlb_entry_[migration, hwpoisoned]() Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 15/16] mm: eliminate further swapops predicates Lorenzo Stoakes
2025-11-03 12:31 ` [PATCH 16/16] mm: replace remaining pte_to_swp_entry() with leafent_from_pte() Lorenzo Stoakes
2025-11-04 1:13 ` [PATCH 00/16] mm: remove is_swap_[pte, pmd]() + non-swap entries, introduce leaf entries Andrew Morton
2025-11-05 2:41 ` Wei Yang
2025-11-05 17:33 ` Lorenzo Stoakes
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