Nick Piggin 674b892ede 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>
2007-10-16 09:42:55 -07:00
..
2007-10-16 09:42:54 -07:00
2007-10-16 09:42:55 -07:00
2007-10-14 12:41:51 -07:00
2007-10-16 09:42:54 -07:00
2007-10-16 09:42:52 -07:00