linux-kernel - Re: [PATCH 04/12] mm, slub: retain no free slabs on partial list with CONFIG_SLUB

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Date:   Wed, 23 Nov 2022 17:12:44 -0800
From:   Roman Gushchin <roman.gushchin@...ux.dev>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Christoph Lameter <cl@...ux.com>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Pekka Enberg <penberg@...nel.org>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>, patches@...ts.linux.dev,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/12] mm, slub: retain no free slabs on partial list
 with CONFIG_SLUB_TINY

On Mon, Nov 21, 2022 at 06:11:54PM +0100, Vlastimil Babka wrote:
> SLUB will leave a number of slabs on the partial list even if they are
> empty, to avoid some slab freeing and reallocation. The goal of
> CONFIG_SLUB_TINY is to minimize memory overhead, so set the limits to 0
> for immediate slab page freeing.
> 
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>

Acked-by: Roman Gushchin <roman.gushchin@...ux.dev>

Thanks!