From: Nick Piggin <npiggin@suse.de>
Date: Tue, 16 Oct 2007 08:24:40 +0000 (-0700)
Subject: mm: use lockless radix-tree probe
X-Git-Tag: v2.6.24-rc1~1225
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=001281881067a5998384c6669bc8dbbbab8456c4;p=pandora-kernel.git

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>
---

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