[PATCH] x86-64: Speed and clean up cache flushing in change_page_attr

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CLFLUSH is a lot faster than WBINVD so avoid the later if at all
possible.

Always pass the complete list of pages to other CPUs to cut down
the number of IPIs.

Minor other cleanup and sync with i386 version.

Signed-off-by: Andi Kleen <ak@suse.de>

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Andi Kleen 2006-12-07 02:14:05 +01:00 • committed by Andi Kleen

parent 74b47a7844

commit ea7322decb

1 changed files with 32 additions and 26 deletions

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arch/x86_64/mm/pageattr.c

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