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| author | Davidlohr Bueso <[email protected]> | 2014-12-13 00:54:39 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-12-13 20:42:46 +0000 |
| commit | 1acf2e040721564d579297646862b8ea3dd4511b (patch) | |
| tree | c51ec6206f123b9d09caed4878d4958314d497db /lib/bitmap.c | |
| parent | mm/memory-failure: share the i_mmap_rwsem (diff) | |
| download | kernel-1acf2e040721564d579297646862b8ea3dd4511b.tar.gz kernel-1acf2e040721564d579297646862b8ea3dd4511b.zip | |
mm/nommu: share the i_mmap_rwsem
Shrinking/truncate logic can call nommu_shrink_inode_mappings() to verify
that any shared mappings of the inode in question aren't broken (dead
zone). afaict the only user being ramfs to handle the size change
attribute.
Pretty much a no-brainer to share the lock.
Signed-off-by: Davidlohr Bueso <[email protected]>
Acked-by: "Kirill A. Shutemov" <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Srikar Dronamraju <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/bitmap.c')
0 files changed, 0 insertions, 0 deletions