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authorKonstantin Khlebnikov <khlebnikov@openvz.org>2011-07-25 17:12:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:11 -0700
commit72c4783210f77fd743f0a316858d33f27db51e7c (patch)
tree4efc95eb0aaade090bac42e72c5973ada6d2cdb1 /kernel/futex.c
parent76d3fbf8fbf6cc78ceb63549e0e0c5bc8a88f838 (diff)
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 'kernel/futex.c')
0 files changed, 0 insertions, 0 deletions