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| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2011-07-26 04:12:31 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 07:57:11 +0400 |
| commit | 72c4783210f77fd743f0a316858d33f27db51e7c (patch) | |
| tree | 4efc95eb0aaade090bac42e72c5973ada6d2cdb1 /Documentation/rt-mutex-design.txt | |
| parent | 76d3fbf8fbf6cc78ceb63549e0e0c5bc8a88f838 (diff) | |
| download | linux-72c4783210f77fd743f0a316858d33f27db51e7c.tar.xz | |
mm: remove useless rcu lock-unlock from mapping_tagged()
radix_tree_tagged() is lockless - it reads from a member of the raid-tree
root node. It does not require any protection.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/rt-mutex-design.txt')
0 files changed, 0 insertions, 0 deletions