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| author |   Nick Piggin <nickpiggin@yahoo.com.au> | 2005-09-03 15:54:47 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 00:05:43 -0700 |
| commit | 2822c1aa574d277b9ba0130b1e71c1a5874bc04a (patch) | |
| tree | 6a48d5db83831b6521bbc5795a70ea5ab7446b0e /lib | |
| parent | [PATCH] mm: comment rmap (diff) | |
| download | linux-dev-2822c1aa574d277b9ba0130b1e71c1a5874bc04a.tar.xz linux-dev-2822c1aa574d277b9ba0130b1e71c1a5874bc04a.zip | |
[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>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions