commit | 2822c1aa574d277b9ba0130b1e71c1a5874bc04a | [log] [tgz] |
---|---|---|
author | Nick Piggin <nickpiggin@yahoo.com.au> | Sat Sep 03 15:54:47 2005 -0700 |
committer | Linus Torvalds <torvalds@evo.osdl.org> | Mon Sep 05 00:05:43 2005 -0700 |
tree | 6a48d5db83831b6521bbc5795a70ea5ab7446b0e | |
parent | c3dce2d89c269d5373a120d4a22fc2426ec992b0 [diff] |
[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>