From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Date: Thu, 20 Jun 2013 09:00:27 +0000 (+0530)
Subject: powerpc: Optimize hugepage invalidate
X-Git-Tag: v3.11-rc1~94^2~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a5272866f87d7fbf04dc8060f8da3e8456490ab;p=pandora-kernel.git

powerpc: Optimize hugepage invalidate

Hugepage invalidate involves invalidating multiple hpte entries.
Optimize the operation using H_BULK_REMOVE on lpar platforms.
On native, reduce the number of tlb flush.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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