linux-kernel - Re: [PATCH 2/2] mm: slub: Delete useless parameter of alloc_slab

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Message-ID: <CAEVVKH-YbqE_dicLvFG8py0W6tFVEiFwsx_OUcnbv=u4ASkEUQ@mail.gmail.com>
Date:   Thu, 10 Mar 2022 09:18:21 +0800
From:   Xiongwei Song <sxwjean@...il.com>
To:     David Rientjes <rientjes@...gle.com>
Cc:     Matthew Wilcox <willy@...radead.org>,
        Xiongwei Song <sxwjean@...com>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>, longman@...hat.com,
        guro@...com, linux-mm@...ck.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] mm: slub: Delete useless parameter of alloc_slab_page()

On Thu, Mar 10, 2022 at 1:15 AM David Rientjes <rientjes@...gle.com> wrote:
>
> On Wed, 9 Mar 2022, Matthew Wilcox wrote:
>
> > On Wed, Mar 09, 2022 at 10:50:52PM +0800, sxwjean@...com wrote:
> > > From: Xiongwei Song <sxwjean@...il.com>
> > >
> > > The parameter @s is useless for alloc_slab_page(), let's delete it.
> >
> > Perhaps we could add a little more information here.
> >
> > It was added in 2014 by 5dfb41750992 ("sl[au]b: charge slabs to kmemcg
> > explicitly").  The need for it was removed in 2020 by 1f3147b49d75
> > ("mm: slub: call account_slab_page() after slab page initialization").
> >
> > Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> >
>
> Acked-by: David Rientjes <rientjes@...gle.com>

Thank you!