linux-kernel - Re: [PATCH v4] mm/vmscan: add a fatal signals check in drop_slab

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Message-ID: <20200915162604.GB2581123@chrisdown.name>
Date:   Tue, 15 Sep 2020 17:26:04 +0100
From:   Chris Down <chris@...isdown.name>
To:     Michal Hocko <mhocko@...e.com>
Cc:     zangchunxin@...edance.com, akpm@...ux-foundation.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>
Subject: Re: [PATCH v4] mm/vmscan: add a fatal signals check in drop_slab_node

Michal Hocko writes:
>On Tue 15-09-20 15:47:37, Chris Down wrote:
>> zangchunxin@...edance.com writes:
>> > +		if (signal_pending(current))
>> > +			return;
>>
>> This doesn't match your patch title, please update it. :-)
>
>I have to admit I have completely missed this and I think that this
>should better be fatal_signal_pending because that would make sure that
>the userspace will not see an incomplete operation. This is a general
>practice for other bail outs as well.

Oh sorry, to be clear, I meant the patch should match the title, not the other 
way around.