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From: Xishi Qiu <qiuxishi@huawei.com>
To: Xishi Qiu <qiuxishi@huawei.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	WuJianguo <wujianguo@huawei.com>, Linux MM <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: fix huge page reallocated in soft_offline_page
Date: Mon, 16 Dec 2013 17:41:18 +0800	[thread overview]
Message-ID: <52AECABE.60902@huawei.com> (raw)
In-Reply-To: <52AEC122.2000609@huawei.com>

On 2013/12/16 17:00, Xishi Qiu wrote:

> The huge page may be reallocated in soft_offline_page, because
> MIGRATE_ISOLATE can not keep the page until after setting PG_hwpoison.
> alloc_huge_page()
> 	dequeue_huge_page_vma()
> 		dequeue_huge_page_node()
> If the huge page was reallocated, we need to try offline it again.
> 

Sorry, I made a mistake.
This bug was fixed in
commit c8721bbbdd36382de51cd6b7a56322e0acca2414

Thanks,
Xishi Qiu

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WARNING: multiple messages have this Message-ID (diff)
From: Xishi Qiu <qiuxishi@huawei.com>
To: Xishi Qiu <qiuxishi@huawei.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	WuJianguo <wujianguo@huawei.com>, Linux MM <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: fix huge page reallocated in soft_offline_page
Date: Mon, 16 Dec 2013 17:41:18 +0800	[thread overview]
Message-ID: <52AECABE.60902@huawei.com> (raw)
In-Reply-To: <52AEC122.2000609@huawei.com>

On 2013/12/16 17:00, Xishi Qiu wrote:

> The huge page may be reallocated in soft_offline_page, because
> MIGRATE_ISOLATE can not keep the page until after setting PG_hwpoison.
> alloc_huge_page()
> 	dequeue_huge_page_vma()
> 		dequeue_huge_page_node()
> If the huge page was reallocated, we need to try offline it again.
> 

Sorry, I made a mistake.
This bug was fixed in
commit c8721bbbdd36382de51cd6b7a56322e0acca2414

Thanks,
Xishi Qiu


  reply	other threads:[~2013-12-16  9:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-16  9:00 [PATCH] mm: fix huge page reallocated in soft_offline_page Xishi Qiu
2013-12-16  9:00 ` Xishi Qiu
2013-12-16  9:41 ` Xishi Qiu [this message]
2013-12-16  9:41   ` Xishi Qiu

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