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

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Date: Thu, 22 Feb 2024 01:10:23 +0000
From: "Song, Xiongwei" <Xiongwei.Song@...driver.com>
To: Roman Gushchin <roman.gushchin@...ux.dev>,
        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>,
        Chengming Zhou <chengming.zhou@...ux.dev>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>,
        "kasan-dev@...glegroups.com"
	<kasan-dev@...glegroups.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: RE: [PATCH 1/3] mm, slab: deprecate SLAB_MEM_SPREAD flag

Hi Vlastimil,

> 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?

If you are not available with it, I can do.

Regards,
Xiongwei