linux-kernel - Re: [PATCH 1/3] mm/slub: directly load freelist from cpu partial slab in the likely case

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Message-ID: <a2132c63-99a5-7fa2-9f2a-cccf6b40fe9e@linux.com>
Date: Thu, 18 Jan 2024 14:14:17 -0800 (PST)
From: "Christoph Lameter (Ampere)" <cl@...ux.com>
To: Chengming Zhou <zhouchengming@...edance.com>
cc: Hyeonggon Yoo <42.hyeyoo@...il.com>, Joonsoo Kim <iamjoonsoo.kim@....com>, 
    Vlastimil Babka <vbabka@...e.cz>, Pekka Enberg <penberg@...nel.org>, 
    Andrew Morton <akpm@...ux-foundation.org>, 
    Roman Gushchin <roman.gushchin@...ux.dev>, 
    David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] mm/slub: directly load freelist from cpu partial
 slab in the likely case

On Thu, 18 Jan 2024, Chengming Zhou wrote:

> So get_freelist() has two cases to handle: cpu slab and cpu partial list slab.
> The latter is NOT frozen, so need to remove "VM_BUG_ON(!new.frozen)" from it.

Right so keep the check if it is the former?