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From: "HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"mhocko@suse.com" <mhocko@suse.com>,
	"minchan@kernel.org" <minchan@kernel.org>,
	"cgoldswo@codeaurora.org" <cgoldswo@codeaurora.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] mm/memory_hotplug: fix potential permanent lru cache disable
Date: Mon, 23 Aug 2021 08:21:13 +0000	[thread overview]
Message-ID: <20210823082113.GB1520304@hori.linux.bs1.fc.nec.co.jp> (raw)
In-Reply-To: <20210821094246.10149-3-linmiaohe@huawei.com>

On Sat, Aug 21, 2021 at 05:42:45PM +0800, Miaohe Lin wrote:
> If offline_pages failed after lru_cache_disable(), it forgot to do
> lru_cache_enable() in error path. So we would have lru cache disabled
> permanently in this case.
> 
> Fixes: d479960e44f2 ("mm: disable LRU pagevec during the migration temporarily")
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>

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

  reply	other threads:[~2021-08-23  8:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-21  9:42 [PATCH 0/3] Cleanup and fixups for memory hotplug Miaohe Lin
2021-08-21  9:42 ` [PATCH 1/3] mm/memory_hotplug: use helper zone_is_zone_device() to simplify the code Miaohe Lin
2021-08-23  8:20   ` HORIGUCHI NAOYA(堀口 直也)
2021-08-23  9:11   ` Oscar Salvador
2021-08-23 12:14   ` David Hildenbrand
2021-08-21  9:42 ` [PATCH 2/3] mm/memory_hotplug: fix potential permanent lru cache disable Miaohe Lin
2021-08-23  8:21   ` HORIGUCHI NAOYA(堀口 直也) [this message]
2021-08-23  9:15   ` Oscar Salvador
2021-08-23 11:13     ` Miaohe Lin
2021-08-23 12:15   ` David Hildenbrand
2021-08-21  9:42 ` [PATCH 3/3] mm/memory_hotplug: make HWPoisoned dirty swapcache pages unmovable Miaohe Lin
2021-08-23  8:26   ` HORIGUCHI NAOYA(堀口 直也)
2021-08-23  9:14     ` Miaohe Lin
2021-11-04 22:07       ` Andrew Morton

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