linux-kernel - Re: [PATCH v2 4/4] mm: allow !GFP

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Date:   Fri, 26 Nov 2021 16:50:19 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Michal Hocko <mhocko@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Dave Chinner <david@...morbit.com>, Neil Brown <neilb@...e.de>,
        Christoph Hellwig <hch@....de>,
        Uladzislau Rezki <urezki@...il.com>,
        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>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH v2 4/4] mm: allow !GFP_KERNEL allocations for kvmalloc

On 11/22/21 16:32, Michal Hocko wrote:
> From: Michal Hocko <mhocko@...e.com>
> 
> A support for GFP_NO{FS,IO} and __GFP_NOFAIL has been implemented
> by previous patches so we can allow the support for kvmalloc. This
> will allow some external users to simplify or completely remove
> their helpers.
> 
> GFP_NOWAIT semantic hasn't been supported so far but it hasn't been
> explicitly documented so let's add a note about that.
> 
> ceph_kvmalloc is the first helper to be dropped and changed to
> kvmalloc.
> 
> Signed-off-by: Michal Hocko <mhocko@...e.com>

Acked-by: Vlastimil Babka <vbabka@...e.cz>