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From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Subject: [PATCH 0/2] hugetlbfs: support split page table lock
Date: Tue, 28 May 2013 15:52:49 -0400
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Cc: Andrew Morton <akpm@linux-foundation.org>, Mel Gorman <mgorman@suse.de>, Andi Kleen <andi@firstfloor.org>, Michal Hocko <mhocko@suse.cz>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Rik van Riel <riel@redhat.com>, linux-kernel@vger.kernel.org

Hi,

In previous discussion [1] on "extend hugepage migration" patches, Michal and
Kosaki-san commented that in the patch "migrate: add migrate_entry_wait_huge()"
we need to solve the issue in the arch-independent manner and had better care
USE_SPLIT_PTLOCK=y case. So this patch(es) does that.

I made sure that the patched kernel shows no regression in functional tests
of libhugetlbfs.

[1]: http://thread.gmane.org/gmane.linux.kernel.mm/96665/focus=96661

Thanks,
Naoya Horiguchi

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