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| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-07-26 15:25:48 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-26 16:19:19 -0700 |
| commit | 37f9f5595c26d3cb644ca2fab83dc4c4db119f9f (patch) | |
| tree | 2aa2bed11174ba9b13b125500a4dfa7b2cebb71b /mm/gup.c | |
| parent | thp: prepare change_huge_pmd() for file thp (diff) | |
| download | wireguard-linux-37f9f5595c26d3cb644ca2fab83dc4c4db119f9f.tar.xz wireguard-linux-37f9f5595c26d3cb644ca2fab83dc4c4db119f9f.zip | |
thp: run vma_adjust_trans_huge() outside i_mmap_rwsem
vma_addjust_trans_huge() splits pmd if it's crossing VMA boundary.
During split we munlock the huge page which requires rmap walk. rmap
wants to take the lock on its own.
Let's move vma_adjust_trans_huge() outside i_mmap_rwsem to fix this.
Link: http://lkml.kernel.org/r/1466021202-61880-19-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 'mm/gup.c')
0 files changed, 0 insertions, 0 deletions