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authorNick Piggin <npiggin@suse.de>2007-10-16 01:25:03 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:42:55 -0700
commit674b892ede247ef4fb8d00918f02e29c32b9bbaf (patch)
tree8e170040e64073932ba559cc31f3ec9802337406 /fs/sysfs
parent8268f5a7415d914fc855a86aa2284ac819dc6b2e (diff)
mm: restore KERNEL_DS optimisations
Restore the KERNEL_DS optimisation, especially helpful to the 2copy write path. This may be a pretty questionable gain in most cases, especially after the legacy 2copy write path is removed, but it doesn't cost much. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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