From: 김상윤 <sangyun.kim@snu.ac.kr>
To: "Christoph Lameter (Ampere)" <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>,
linux-mm@kvack.org, Pekka Enberg <penberg@kernel.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>,
Roman Gushchin <roman.gushchin@linux.dev>,
Hyeonggon Yoo <42.hyeyoo@gmail.com>,
Hyunmin Lee <hyunminlr@gmail.com>,
Jeungwoo Yoo <casionwoo@gmail.com>,
Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Subject: Re: [PATCH] mm/slub: remove duplicate initialization for early_kmem_cache_node_alloc()
Date: Tue, 9 Apr 2024 12:51:28 +0900 [thread overview]
Message-ID: <CAC3V=JY6MrzsPu580L7NtGt7hOEQTm-ch8MbVUSQCS=5LD7b5w@mail.gmail.com> (raw)
In-Reply-To: <0ea2b92e-7152-ebf4-e1cf-ddb28b536c17@linux.com>
On Tue, Apr 9, 2024 at 2:23 AM Christoph Lameter (Ampere) <cl@linux.com> wrote:
>
> On Sun, 7 Apr 2024, David Rientjes wrote:
>
> > What user observable effect does this have given it would only make a
> > difference when slab_state == DOWN?
>
> It reduces the kernel text size and removes a line from source code.
>
>
>
Yes, it only affects when slab_state == DOWN.
early_kmem_cache_node_alloc() is called exclusively
when the slab_state == DOWN, by init_kmem_cache_nodes().
next prev parent reply other threads:[~2024-04-09 3:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-06 7:44 Sangyun Kim
2024-04-07 21:06 ` David Rientjes
2024-04-08 17:14 ` Christoph Lameter (Ampere)
2024-04-09 3:51 ` 김상윤 [this message]
2024-04-09 9:43 ` Vlastimil Babka
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