From: Minchan Kim <minchan@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: cgoldswo@codeaurora.org, david@redhat.com, linmiaohe@huawei.com,
linux-mm@kvack.org, mhocko@suse.com, mm-commits@vger.kernel.org,
naoya.horiguchi@nec.com, osalvador@suse.de,
stable@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: [patch 1/2] mm/memory_hotplug: fix potential permanent lru cache disable
Date: Wed, 25 Aug 2021 16:17:32 -0700 [thread overview]
Message-ID: <YSbPjPykMcGIVM6b@google.com> (raw)
In-Reply-To: <20210825191755.q1BM2fgnb%akpm@linux-foundation.org>
On Wed, Aug 25, 2021 at 12:17:55PM -0700, Andrew Morton wrote:
> From: Miaohe Lin <linmiaohe@huawei.com>
> Subject: mm/memory_hotplug: fix potential permanent lru cache disable
>
> 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.
>
> Link: https://lkml.kernel.org/r/20210821094246.10149-3-linmiaohe@huawei.com
> Fixes: d479960e44f2 ("mm: disable LRU pagevec during the migration temporarily")
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
> Reviewed-by: David Hildenbrand <david@redhat.com>
> Reviewed-by: Oscar Salvador <osalvador@suse.de>
> Reviewed-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
> Cc: Chris Goldsworthy <cgoldswo@codeaurora.org>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Minchan Kim <minchan@kernel.org>
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Thanks for catching.
next prev parent reply other threads:[~2021-08-25 23:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-25 19:17 incoming Andrew Morton
2021-08-25 19:17 ` [patch 1/2] mm/memory_hotplug: fix potential permanent lru cache disable Andrew Morton
2021-08-25 23:17 ` Minchan Kim [this message]
2021-08-25 19:17 ` [patch 2/2] MAINTAINERS: exfat: update my email address Andrew Morton
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