| commit | dd1d5afca8d3bda7ff9db773fc08e648d2503dc6 | [log] [tgz] |
|---|---|---|
| author | William Lee Irwin III <wli@holomorphy.com> | Sun May 01 08:58:38 2005 -0700 |
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | Sun May 01 08:58:38 2005 -0700 |
| tree | b0cc49be9dc43558e31be18d6045181661492018 | |
| parent | 93ea1d0a12623dc1a693642b5758261f35f9bf96 [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>