From: Jan Beulich <jbeulich@novell.com>
Date: Wed, 17 Sep 2008 15:48:17 +0000 (+0100)
Subject: x86: make mm/gup.c more virtualization friendly
X-Git-Tag: v2.6.28-rc1~611^2~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=606ee44dbb72fd48beb47f171d7b9cecf6ade6dd;p=pandora-kernel.git

x86: make mm/gup.c more virtualization friendly

Since pte_flags() is much cheaper than pte_val() in some virtualized
environments (namely, Xen), use the former whereever possible.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: "Nick Piggin" <npiggin@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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