Re: + mm-reclaim-madv_free-pages.patch added to -mm tree

From	Johannes Weiner <hannes@cmpxchg.org>
Newsgroups	linux.kernel
Subject	Re: + mm-reclaim-madv_free-pages.patch added to -mm tree
Date	2017-03-07 20:30 +0100
Message-ID	<tisY3-3CB-27@gated-at.bofh.it> (permalink)
References	(1 earlier) <tgMxP-3GU-1@gated-at.bofh.it> <tgXjz-35T-15@gated-at.bofh.it> <thRc6-1Dq-7@gated-at.bofh.it> <ti3dg-1Ug-17@gated-at.bofh.it> <tigka-2R6-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Mar 07, 2017 at 02:55:51PM +0900, Minchan Kim wrote:
> From d42d296950c3bbce74afddcff307fa18eef305fe Mon Sep 17 00:00:00 2001
> From: Minchan Kim <minchan@kernel.org>
> Date: Tue, 7 Mar 2017 14:48:37 +0900
> Subject: [PATCH] mm: fix lazyfree bug on check in try_to_unmap_one
> 
> If a page is swapbacked, it means it should be in swapcache
> in try_to_unmap_one's path.
> 
> If a page is !swapbacked, it mean it shouldn't be in swapcache
> in try_to_unmap_one's path.
> 
> Check both two cases all at once and if it fails, warn and
> return SWAP_FAIL. Such bug never mean we should shut down
> the kernel.
> 
> Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
> Signed-off-by: Minchan Kim <minchan@kernel.org>

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

Thanks Minchan

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Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Minchan Kim <minchan@kernel.org> - 2017-03-03 05:00 +0100
  Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Johannes Weiner <hannes@cmpxchg.org> - 2017-03-03 16:30 +0100
    Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Minchan Kim <minchan@kernel.org> - 2017-03-06 04:10 +0100
      Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Johannes Weiner <hannes@cmpxchg.org> - 2017-03-06 17:00 +0100
        Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Minchan Kim <minchan@kernel.org> - 2017-03-07 06:50 +0100
        Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Minchan Kim <minchan@kernel.org> - 2017-03-07 07:00 +0100
          Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Michal Hocko <mhocko@kernel.org> - 2017-03-07 11:00 +0100
          Re: + mm-reclaim-madv_free-pages.patch added to -mm tree Johannes Weiner <hannes@cmpxchg.org> - 2017-03-07 20:30 +0100

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