From: Nick Piggin <nickpiggin@yahoo.com.au>
Date: Sat, 3 Sep 2005 22:54:47 +0000 (-0700)
Subject: [PATCH] mm: micro-optimise rmap
X-Git-Tag: v2.6.14-rc1~972
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2822c1aa574d277b9ba0130b1e71c1a5874bc04a;p=pandora-kernel.git

[PATCH] mm: micro-optimise rmap

Microoptimise page_add_anon_rmap.  Although these expressions are used only in
the taken branch of the if() statement, the compiler can't reorder them inside
because atomic_inc_and_test is a barrier.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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