From: Davidlohr Bueso <dave@stgolabs.net>
Date: Sat, 13 Dec 2014 00:55:04 +0000 (-0800)
Subject: mm/rmap: calculate page offset when needed
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~97^2~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b258d860652934b5e014408302335430b81bd7ce;p=pandora-kernel.git

mm/rmap: calculate page offset when needed

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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