linux-kernel - Re: [PATCH RFC v2 03/20] mm/slab: make caches with sheaves mergeable

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Message-ID: <aWX4pI6XVlPPdZ9U@hyeyoo>
Date: Tue, 13 Jan 2026 16:47:48 +0900
From: Harry Yoo <harry.yoo@...cle.com>
To: Vlastimil Babka <vbabka@...e.cz>
Cc: Petr Tesarik <ptesarik@...e.com>, Christoph Lameter <cl@...two.org>,
        David Rientjes <rientjes@...gle.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>, Hao Li <hao.li@...ux.dev>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Uladzislau Rezki <urezki@...il.com>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Alexei Starovoitov <ast@...nel.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-rt-devel@...ts.linux.dev,
        bpf@...r.kernel.org, kasan-dev@...glegroups.com
Subject: Re: [PATCH RFC v2 03/20] mm/slab: make caches with sheaves mergeable

On Mon, Jan 12, 2026 at 04:16:57PM +0100, Vlastimil Babka wrote:
> Before enabling sheaves for all caches (with automatically determined
> capacity), their enablement should no longer prevent merging of caches.
> Limit this merge prevention only to caches that were created with a
> specific sheaf capacity, by adding the SLAB_NO_MERGE flag to them.
> 
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
> ---

Looks good to me,
Reviewed-by: Harry Yoo <harry.yoo@...cle.com>

-- 
Cheers,
Harry / Hyeonggon