linux-kernel - Re: [PATCH v2 2/4] mm/vmalloc: add support for __GFP

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Message-ID: <YZ/i1Dww6rUTyIdD@dhcp22.suse.cz>
Date:   Thu, 25 Nov 2021 20:24:04 +0100
From:   Michal Hocko <mhocko@...e.com>
To:     Uladzislau Rezki <urezki@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Dave Chinner <david@...morbit.com>, Neil Brown <neilb@...e.de>,
        Christoph Hellwig <hch@....de>, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
        Ilya Dryomov <idryomov@...il.com>,
        Jeff Layton <jlayton@...nel.org>
Subject: Re: [PATCH v2 2/4] mm/vmalloc: add support for __GFP_NOFAIL

On Thu 25-11-21 19:02:09, Uladzislau Rezki wrote:
[...]
> Therefore i root for simplification and OOM related concerns :) But
> maybe there will be other opinions.

I have to say that I disagree with your view. I am not sure we have
other precedence where an allocator would throw away the primary
allocation just because a metadata allocation failure.

In any case, if there is a wider consensus that we really want to do
that I can rework. I would prefer to keep the patch as is though.
-- 
Michal Hocko
SUSE Labs