mm/rmap: calculate page offset when needed

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Call page_to_pgoff() to get the page offset once we are sure we actually
need it, and any very obvious initial function checks have passed.
Trivial micro-optimization, and potentially save some cycles.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Davidlohr Bueso 2014-12-12 16:55:04 -08:00 • committed by Linus Torvalds

parent 2847cf95c6

commit b258d86065

1 changed files with 4 additions and 2 deletions

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mm/rmap.c

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