From: Hillf Danton <hillf.zj@alibaba-inc.com>
Date: Wed, 10 Dec 2014 23:44:41 +0000 (-0800)
Subject: mm: hugetlb: fix __unmap_hugepage_range()
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~139^2~115
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=569f48b85813f053aeab35429ba1657cb7f426db;p=pandora-kernel.git

mm: hugetlb: fix __unmap_hugepage_range()

First, after flushing TLB, we have no need to scan pte from start again.
Second, before bail out loop, the address is forwarded one step.

Signed-off-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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