linux-kernel - Re: [PATCH 2/6] mm/hugetlb: add same zone check in pfn_range_valid

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Message-ID: <56F2AA59.9060208@suse.cz>
Date:	Wed, 23 Mar 2016 15:38:17 +0100
From:	Vlastimil Babka <vbabka@...e.cz>
To:	js1304@...il.com, Andrew Morton <akpm@...ux-foundation.org>
Cc:	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Mel Gorman <mgorman@...e.de>,
	Laura Abbott <lauraa@...eaurora.org>,
	Minchan Kim <minchan@...nel.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Michal Nazarewicz <mina86@...a86.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH 2/6] mm/hugetlb: add same zone check in
 pfn_range_valid_gigantic()

On 03/14/2016 08:31 AM, js1304@...il.com wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@....com>
>
> alloc_gigantic_page() uses alloc_contig_range() and this
> requires that requested range is in a single zone. To satisfy
> that requirement, add this check to pfn_range_valid_gigantic().
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Acked-by: Vlastimil Babka <vbabka@...e.cz>