linux-kernel - Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct page init

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Message-ID: <57A328BB.2040700@huawei.com>
Date:	Thu, 4 Aug 2016 19:36:27 +0800
From:	Xishi Qiu <qiuxishi@...wei.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Vlastimil Babka <vbabka@...e.cz>,
	Mel Gorman <mgorman@...hsingularity.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.com>,
	David Rientjes <rientjes@...gle.com>,
	"Joonsoo Kim" <iamjoonsoo.kim@....com>,
	Taku Izumi <izumi.taku@...fujitsu.com>,
	"'Kirill A . Shutemov'" <kirill.shutemov@...ux.intel.com>,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	Linux MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] mm: fix set pageblock migratetype in deferred struct
 page init

On 2016/8/4 19:25, Xishi Qiu wrote:

> MAX_ORDER_NR_PAGES is usually 4M, and a pageblock is usually 2M, so we only
> set one pageblock's migratetype in deferred_free_range() if pfn is aligned
> to MAX_ORDER_NR_PAGES.
> 
> Also we missed to free the last block in deferred_init_memmap().
> 
> Signed-off-by: Xishi Qiu <qiuxishi@...wei.com>

Sorry for the typo, this patch is 3/3, and 1/3 is this one
"[PATCH 1/3] mem-hotplug: introduce movablenode option"

However they are all independent.

Thanks,
Xishi Qiu