linux-kernel - Re: [RFC 2/2] mm, sl[aou]b: test whether kmalloc() alignment works as expected

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Date:   Wed, 20 Mar 2019 00:44:25 +0000
From:   Christopher Lameter <cl@...ux.com>
To:     Vlastimil Babka <vbabka@...e.cz>
cc:     linux-mm@...ck.org, Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Ming Lei <ming.lei@...hat.com>,
        Dave Chinner <david@...morbit.com>,
        Matthew Wilcox <willy@...radead.org>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Christoph Hellwig <hch@....de>,
        Michal Hocko <mhocko@...nel.org>, linux-kernel@...r.kernel.org,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-block@...r.kernel.org
Subject: Re: [RFC 2/2] mm, sl[aou]b: test whether kmalloc() alignment works
 as expected

On Tue, 19 Mar 2019, Vlastimil Babka wrote:

> Quick and dirty init test that kmalloc() alignment works as expected for
> power-of-two sizes after the previous patch.

There is already an allocator testing function in mm/slub.c. Can you
generalize it or portions and put the into mm/slab_common.c?