Re: [patch 1/2] mm/memory_hotplug: fix potential permanent lru cache disable

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Aug 25, 2021 at 12:17:55PM -0700, Andrew Morton wrote:
> From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> 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@xxxxxxxxxx
> Fixes: d479960e44f2 ("mm: disable LRU pagevec during the migration temporarily")
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
> Reviewed-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
> Cc: Chris Goldsworthy <cgoldswo@xxxxxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Cc: Minchan Kim <minchan@xxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>

Thanks for catching.



[Index of Archives]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux