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From: Wei Wang <wei.w.wang@intel.com>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	virtio-dev@lists.oasis-open.org, linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
	mst@redhat.com, mhocko@kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH v3 2/2] virtio_balloon: replace oom notifier with shrinker
Date: Mon, 06 Aug 2018 17:56:17 +0800	[thread overview]
Message-ID: <5B681B41.6070205@intel.com> (raw)
In-Reply-To: <16c56ee5-eef7-dd5f-f2b6-e3c11df2765c@i-love.sakura.ne.jp>

On 08/03/2018 08:11 PM, Tetsuo Handa wrote:
> On 2018/08/03 17:32, Wei Wang wrote:
>> +static int virtio_balloon_register_shrinker(struct virtio_balloon *vb)
>> +{
>> +	vb->shrinker.scan_objects = virtio_balloon_shrinker_scan;
>> +	vb->shrinker.count_objects = virtio_balloon_shrinker_count;
>> +	vb->shrinker.batch = 0;
>> +	vb->shrinker.seeks = DEFAULT_SEEKS;
> Why flags field is not set? If vb is allocated by kmalloc(GFP_KERNEL)
> and is nowhere zero-cleared, KASAN would complain it.

Could you point where in the code that would complain it?
I only see two shrinker flags (NUMA_AWARE and MEMCG_AWARE), and they 
seem not related to that.


Best,
Wei

  reply	other threads:[~2018-08-06  9:53 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-03  8:32 [PATCH v3 0/2] virtio-balloon: some improvements Wei Wang
2018-08-03  8:32 ` [PATCH v3 1/2] virtio-balloon: remove BUG() in init_vqs Wei Wang
2018-08-03  8:32 ` [PATCH v3 2/2] virtio_balloon: replace oom notifier with shrinker Wei Wang
2018-08-03 12:11   ` Tetsuo Handa
2018-08-06  9:56     ` Wei Wang [this message]
2018-08-06 10:29       ` Tetsuo Handa
2018-08-06 12:44         ` Wang, Wei W
2018-08-06 13:28           ` Tetsuo Handa
2018-08-06 14:02             ` Wang, Wei W
2018-08-03 19:15   ` Michael S. Tsirkin
2018-08-06  3:29     ` Wei Wang

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