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authorWilliam Lee Irwin III <wli@holomorphy.com>2005-05-01 08:58:38 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-01 08:58:38 -0700
commitdd1d5afca8d3bda7ff9db773fc08e648d2503dc6 (patch)
treeb0cc49be9dc43558e31be18d6045181661492018 /include/linux
parent93ea1d0a12623dc1a693642b5758261f35f9bf96 (diff)
[PATCH] sync_page() smp_mb() comment
The smp_mb() is becaus sync_page() doesn't have PG_locked while it accesses page_mapping(page). The comments in the patch (the entire patch is the addition of this comment) try to explain further how and why smp_mb() is used. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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