Re: [PATCH 2/3] mm/slub: remove full list manipulation for non-debug slab

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To: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
Subject: Re: [PATCH 2/3] mm/slub: remove full list manipulation for non-debug slab
From: "Christoph Lameter (Ampere)" <cl@xxxxxxxxxx>
Date: Wed, 17 Jan 2024 14:44:20 -0800 (PST)
Cc: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>, Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Pekka Enberg <penberg@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Roman Gushchin <roman.gushchin@xxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20240117-slab-misc-v1-2-fd1c49ccbe70@bytedance.com>
References: <20240117-slab-misc-v1-0-fd1c49ccbe70@bytedance.com> <20240117-slab-misc-v1-2-fd1c49ccbe70@bytedance.com>

On Wed, 17 Jan 2024, Chengming Zhou wrote:

Since debug slab is processed by free_to_partial_list(), and only debug
slab which has SLAB_STORE_USER flag would care about the full list, we
can remove these unrelated full list manipulations from __slab_free().


Acked-by: Christoph Lameter (Ampere) <cl@xxxxxxxxx>

References:
- [PATCH 0/3] mm/slub: some minor optimization and cleanup
  - From: Chengming Zhou
- [PATCH 2/3] mm/slub: remove full list manipulation for non-debug slab
  - From: Chengming Zhou

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