From: Michal Hocko <mhocko@kernel.org>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Hugh Dickins <hughd@google.com>, Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 0/3] mainline and mmotm compaction fixes
Date: Mon, 25 Apr 2016 16:34:13 +0200 [thread overview]
Message-ID: <20160425143413.GJ23933@dhcp22.suse.cz> (raw)
In-Reply-To: <1461591269-28615-1-git-send-email-vbabka@suse.cz>
On Mon 25-04-16 15:34:26, Vlastimil Babka wrote:
[...]
> > 1. Fix crash in release_pages() from compact_zone() from kcompactd_do_work():
> > kcompactd needs to INIT_LIST_HEAD on the new freepages_held list.
>
> This one should be addressed by dropping the following from mmotm from now:
>
> mm-compaction-direct-freepage-allocation-for-async-direct-compaction.patch
I can confirm that this has healed
[ 481.380167] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 481.382594] IP: [<ffffffff81134dc7>] release_freepages+0x1c/0x7d
I was hitting today during testing something unrelated.
--
Michal Hocko
SUSE Labs
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prev parent reply other threads:[~2016-04-25 14:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 13:34 Vlastimil Babka
2016-04-25 13:35 ` Vlastimil Babka
2016-04-25 13:35 ` [PATCH 4.6 1/3] mm, cma: prevent nr_isolated_* counters from going negative Vlastimil Babka
2016-04-27 0:57 ` Joonsoo Kim
2016-04-25 13:35 ` [PATCH mmotm 2/3] mm, compaction: fix crash in get_pfnblock_flags_mask() from isolate_freepages(): Vlastimil Babka
2016-04-25 13:35 ` [PATCH mmotm 3/3] mm, compaction: prevent nr_isolated_* from going negative Vlastimil Babka
2016-04-26 0:55 ` Joonsoo Kim
2016-04-26 19:40 ` Vlastimil Babka
2016-04-27 0:59 ` Joonsoo Kim
2016-04-25 14:34 ` Michal Hocko [this message]
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