+ mm-khugepaged-skip-huge-page-collapse-for-special-files-fix.patch added to -mm tree
From: akpm@linux-foundation.org
Date: 2021-10-27 20:56:46
The patch titled
Subject: mm-khugepaged-skip-huge-page-collapse-for-special-files-fix
has been added to the -mm tree. Its filename is
mm-khugepaged-skip-huge-page-collapse-for-special-files-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-khugepaged-skip-huge-page-collapse-for-special-files-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-khugepaged-skip-huge-page-collapse-for-special-files-fix.patch
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------------------------------------------------------
From: Yang Shi <redacted>
Subject: mm-khugepaged-skip-huge-page-collapse-for-special-files-fix
fix vm_file check
Link: https://lkml.kernel.org/r/CAHbLzkqTW9U3VvTu1Ki5v_cLRC9gHW+znBukg_ycergE0JWj-A@mail.gmail.com
Cc: Andrea Righi <redacted>
Cc: Hao Sun <redacted>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <redacted>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Song Liu <redacted>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/khugepaged.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/mm/khugepaged.c~mm-khugepaged-skip-huge-page-collapse-for-special-files-fix
+++ a/mm/khugepaged.c@@ -445,9 +445,9 @@ static bool hugepage_vma_check(struct vm if (!transhuge_vma_enabled(vma, vm_flags)) return false; - if (vma->vm_file) - return IS_ALIGNED((vma->vm_start >> PAGE_SHIFT) - vma->vm_pgoff, - HPAGE_PMD_NR); + if (vma->vm_file && !IS_ALIGNED((vma->vm_start >> PAGE_SHIFT) - + vma->vm_pgoff, HPAGE_PMD_NR)) + return false; /* Enabled via shmem mount options or sysfs settings. */ if (shmem_file(vma->vm_file))
_ Patches currently in -mm which might be from shy828301@gmail.com are mm-hwpoison-remove-the-unnecessary-thp-check.patch mm-filemap-check-if-thp-has-hwpoisoned-subpage-for-pmd-page-fault.patch mm-khugepaged-skip-huge-page-collapse-for-special-files.patch mm-khugepaged-skip-huge-page-collapse-for-special-files-fix.patch mm-filemap-coding-style-cleanup-for-filemap_map_pmd.patch mm-hwpoison-refactor-refcount-check-handling.patch mm-shmem-dont-truncate-page-if-memory-failure-happens.patch mm-hwpoison-handle-non-anonymous-thp-correctly.patch mm-migrate-make-demotion-knob-depend-on-migration.patch