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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2006-09-25 23:30:59 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-26 08:48:44 -0700
commitc1e6098b23bb46e2b488fe9a26f831f867157483 (patch)
tree6bac4d3cfaab3e7153a15d1a24f9211b2de37ba6 /mm/fremap.c
parentedc79b2a46ed854595e40edcf3f8b37f9f14aa3f (diff)
downloadlinux-c1e6098b23bb46e2b488fe9a26f831f867157483.tar.gz
[PATCH] mm: optimize the new mprotect() code a bit
mprotect() resets the page protections, which could result in extra write faults for those pages whose dirty state we track using write faults and are dirty already. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/fremap.c')
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