linux-kernel - Re: [PATCH 1/9] mm/rmap: recompute pgoff for huge page

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Message-ID: <1386014942-zgaujzhz-mutt-n-horiguchi@ah.jp.nec.com>
Date:	Mon, 02 Dec 2013 15:09:02 -0500
From:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>, Hugh Dickins <hughd@...gle.com>,
	Rik van Riel <riel@...hat.com>,
	Ingo Molnar <mingo@...nel.org>,
	Hillf Danton <dhillf@...il.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Joonsoo Kim <js1304@...il.com>
Subject: Re: [PATCH 1/9] mm/rmap: recompute pgoff for huge page

On Thu, Nov 28, 2013 at 04:48:38PM +0900, Joonsoo Kim wrote:
> We have to recompute pgoff if the given page is huge, since result based
> on HPAGE_SIZE is not approapriate for scanning the vma interval tree, as
> shown by commit 36e4f20af833 ("hugetlb: do not use vma_hugecache_offset()
> for vma_prio_tree_foreach") and commit 369a713e ("rmap: recompute pgoff
> for unmapping huge page").
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Reviewed-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
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