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Date: Wed, 7 Jul 2010 15:44:44 +0900
From: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To: Christoph Lameter <cl@...ux-foundation.org>
Cc: Andi Kleen <andi@...stfloor.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Mel Gorman <mel@....ul.ie>,
Wu Fengguang <fengguang.wu@...el.com>,
"Jun'ichi Nomura" <j-nomura@...jp.nec.com>,
linux-mm <linux-mm@...ck.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/7] hugetlb: hugepage migration core
On Tue, Jul 06, 2010 at 11:02:04AM -0500, Christoph Lameter wrote:
> On Tue, 6 Jul 2010, Naoya Horiguchi wrote:
>
> > Hmm, this chunk need to be fixed because I had too specific assumption.
> > The list passed to migrate_pages() has only one page or one hugepage in
> > page migration kicked by soft offline, but it's not the case in general case.
> > Since hugepage is not linked to LRU list, we had better simply skip
> > putback_lru_pages().
>
> Maybe write a migrate_huge_page() function instead? The functionality is
> materially different since we are not juggling things with the lru.
OK. I'll try to devide functions for hugepage in the next turn.
Thanks,
Naoya Horiguchi
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