From: Theodore Ts'o <tytso@mit.edu>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Michal Hocko <mhocko@suse.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Dmitry Monakhov <dmonakhov@virtuozzo.com>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org
Subject: Re: [PATCH RFC] ext4: use __GFP_NOFAIL in ext4_free_blocks()
Date: Sun, 13 Mar 2016 17:30:06 -0400 [thread overview]
Message-ID: <20160313213006.GG29218@thunk.org> (raw)
In-Reply-To: <20160224170912.2195.8153.stgit@buzz>
On Wed, Feb 24, 2016 at 08:09:12PM +0300, Konstantin Khlebnikov wrote:
> This might be unexpected but pages allocated for sbi->s_buddy_cache are
> charged to current memory cgroup. So, GFP_NOFS allocation could fail if
> current task has been killed by OOM or if current memory cgroup has no
> free memory left. Block allocator cannot handle such failures here yet.
>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Thanks, applied.
- Ted
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prev parent reply other threads:[~2016-03-13 21:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-24 17:09 [PATCH RFC] ext4: use __GFP_NOFAIL in ext4_free_blocks() Konstantin Khlebnikov
2016-02-25 9:01 ` Nikolay Borisov
2016-02-25 9:08 ` Michal Hocko
2016-02-25 9:12 ` Nikolay Borisov
2016-02-25 10:27 ` Michal Hocko
2016-03-13 21:30 ` Theodore Ts'o [this message]
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