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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-07-27 00:25:12 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-27 01:19:19 +0200 |
| commit | 1f52e67e5e7f48424059f8168e3a65bddc80ad97 (patch) | |
| tree | 2719a0782dd6af0708d27564392a8beb9e4e3f8e /Documentation | |
| parent | mm, thp: fix locking inconsistency in collapse_huge_page (diff) | |
| download | linux-1f52e67e5e7f48424059f8168e3a65bddc80ad97.tar.xz linux-1f52e67e5e7f48424059f8168e3a65bddc80ad97.zip | |
khugepaged: recheck pmd after mmap_sem re-acquired
Vlastimil noted[1] that pmd can be no longer valid after we drop
mmap_sem. We need recheck it once mmap_sem taken again.
[1] http://lkml.kernel.org/r/12918dcd-a695-c6f4-e06f-69141c5f357f@suse.cz
Link: http://lkml.kernel.org/r/1466021202-61880-6-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions