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(parent: f9216d2) | patch
mm: use lockless radix-tree probe
authorNick Piggin <npiggin@suse.de>
Tue, 16 Oct 2007 08:24:40 +0000 (01:24 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 16 Oct 2007 16:42:53 +0000 (09:42 -0700)
commitca9b989e754188a16da0f5720b3cab92645de988
tree6229d16c737782a36795354b218c74d4d2749752tree | snapshot
parentf9216d29ec734f1f1a0a008fbbd8cc2cb256211bcommit | diff
mm: use lockless radix-tree probe

Probing pages and radix_tree_tagged are lockless operations with the lockless
radix-tree.  Convert these users to RCU locking rather than using tree_lock.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/page-writeback.c diff | blob | history
mm/readahead.c diff | blob | history
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