linux-kernel - Re: [PATCH] mm: page_alloc: unreserve highatomic page blocks before oom

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Message-ID: <azi6v2uipdazwmczihmc4hutsw74r3mfxs6tgxkdmweb6bo4dr@c43f7ixoydpd>
Date:   Wed, 1 Nov 2023 10:41:45 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     Charan Teja Kalla <quic_charante@...cinc.com>
Cc:     Pavan Kondeti <quic_pkondeti@...cinc.com>,
        akpm@...ux-foundation.org, mgorman@...hsingularity.net,
        david@...hat.com, vbabka@...e.cz, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: page_alloc: unreserve highatomic page blocks before
 oom

On Wed 01-11-23 12:23:24, Charan Teja Kalla wrote:
[...]
> > Also, add below Fixes tag if it makes sense.
> > 
> > Fixes: 04c8716f7b00 ("mm: try to exhaust highatomic reserve before the OOM")
> I should be adding this.

I do not think this Fixes tag is really correct. 04c8716f7b00 was rather
an incomplete fix than something that has caused this situation. I think
we would need to reference the commit which adds highatomic reserves.

-- 
Michal Hocko
SUSE Labs