commit | 1f52e67e5e7f48424059f8168e3a65bddc80ad97 | [log] [tgz] |
---|---|---|
author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | Tue Jul 26 15:25:12 2016 -0700 |
committer | Linus Torvalds <torvalds@linux-foundation.org> | Tue Jul 26 16:19:19 2016 -0700 |
tree | 2719a0782dd6af0708d27564392a8beb9e4e3f8e | |
parent | 8024ee2a09c6135102505bab4105e1410c279832 [diff] |
khugepaged: recheck pmd after mmap_sem re-acquired Vlastimil noted[1] that pmd can be no longer valid after we drop mmap_sem.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>