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Date:   Fri, 12 Apr 2019 12:28:16 +0100
From:   Mel Gorman <>
To:     David Rientjes <>
Cc:     Vlastimil Babka <>,
        "Tobin C. Harding" <>,
        Andrew Morton <>,
        Christoph Lameter <>,
        Pekka Enberg <>,
        Joonsoo Kim <>,
        Tejun Heo <>, Qian Cai <>,
        Linus Torvalds <>,,
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
> > 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

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