linux-kernel - Re: [PATCH 1/3] mm, slab: deprecate SLAB_MEM

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Message-ID: <ZdZBN_K8yJTVIbtC@P9FQF9L96D.corp.robot.car>
Date: Wed, 21 Feb 2024 10:30:15 -0800
From: Roman Gushchin <roman.gushchin@...ux.dev>
To: Vlastimil Babka <vbabka@...e.cz>
Cc: Christoph Lameter <cl@...ux.com>, Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hyeonggon Yoo <42.hyeyoo@...il.com>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	Alexander Potapenko <glider@...gle.com>,
	Andrey Konovalov <andreyknvl@...il.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Zheng Yejian <zhengyejian1@...wei.com>,
	Xiongwei Song <xiongwei.song@...driver.com>,
	Chengming Zhou <chengming.zhou@...ux.dev>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 1/3] mm, slab: deprecate SLAB_MEM_SPREAD flag

On Tue, Feb 20, 2024 at 05:58:25PM +0100, Vlastimil Babka wrote:
0;95;0c> The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was
> removed.  SLUB instead relies on the page allocator's NUMA policies.
> Change the flag's value to 0 to free up the value it had, and mark it
> for full removal once all users are gone.
> 
> Reported-by: Steven Rostedt <rostedt@...dmis.org>
> Closes: https://lore.kernel.org/all/20240131172027.10f64405@gandalf.local.home/
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>

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

Do you plan to follow up with a patch series removing all usages?

Thanks!