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authorJiri Kosina <jkosina@suse.cz>2013-01-11 14:31:56 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-01-11 14:54:55 -0800
commit1b963c81b14509e330e0fe3218b645ece2738dc5 (patch)
tree5179a29d62e7283c8a1d764e7e320490c4352aeb /mm
parentfef6c12e8874279ebebfa4cd58d735f6adce3ed1 (diff)
lockdep, rwsem: provide down_write_nest_lock()
down_write_nest_lock() provides a means to annotate locking scenario where an outer lock is guaranteed to serialize the order nested locks are being acquired. This is analogoue to already existing mutex_lock_nest_lock() and spin_lock_nest_lock(). Signed-off-by: Jiri Kosina <jkosina@suse.cz> Cc: Rik van Riel <riel@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mel Gorman <mel@csn.ul.ie> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
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