linux-kernel - Re: [PATCH 0/1] mm: Remove the SLAB allocator

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Date:   Fri, 12 Apr 2019 12:28:16 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     David Rientjes <rientjes@...gle.com>
Cc:     Vlastimil Babka <vbabka@...e.cz>,
        "Tobin C. Harding" <tobin@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Tejun Heo <tj@...nel.org>, Qian Cai <cai@....pw>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/1] mm: Remove the SLAB allocator

On Wed, Apr 10, 2019 at 02:53:34PM -0700, David Rientjes wrote:
> > FWIW, our enterprise kernel use it (latest is 4.12 based), and openSUSE
> > kernels as well (with openSUSE Tumbleweed that includes latest
> > kernel.org stables). AFAIK we don't enable SLAB_DEBUG even in general
> > debug kernel flavours as it's just too slow.
> > 
> > IIRC last time Mel evaluated switching to SLUB, it wasn't a clear
> > winner, but I'll just CC him for details :)
> > 
> 
> We also use CONFIG_SLAB and disable CONFIG_SLAB_DEBUG for the same reason.

Would it be possible to re-evaluate using mainline kernel 5.0?

-- 
Mel Gorman
SUSE Labs