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

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Message-ID: <7c116655-a4ce-5f61-2d98-e85c31e11184@google.com>
Date:   Wed, 9 Mar 2022 09:15:35 -0800 (PST)
From:   David Rientjes <rientjes@...gle.com>
To:     Matthew Wilcox <willy@...radead.org>
cc:     sxwjean@...com, cl@...ux.com, penberg@...nel.org,
        iamjoonsoo.kim@....com, akpm@...ux-foundation.org, vbabka@...e.cz,
        longman@...hat.com, guro@...com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Xiongwei Song <sxwjean@...il.com>
Subject: Re: [PATCH 2/2] mm: slub: Delete useless parameter of
 alloc_slab_page()

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>