linux-kernel - Re: [PATCH v2 6/7] mm, slab: call kvfree_rcu_barrier() from kmem_cache

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Message-ID: <93f03922-3d3a-4204-89c1-90ea4e1fc217@suse.cz>
Date: Wed, 26 Feb 2025 15:36:39 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: Uladzislau Rezki <urezki@...il.com>
Cc: Keith Busch <keith.busch@...il.com>, "Paul E. McKenney"
 <paulmck@...nel.org>, Joel Fernandes <joel@...lfernandes.org>,
 Josh Triplett <josh@...htriplett.org>, Boqun Feng <boqun.feng@...il.com>,
 Christoph Lameter <cl@...ux.com>, David Rientjes <rientjes@...gle.com>,
 Steven Rostedt <rostedt@...dmis.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Lai Jiangshan <jiangshanlai@...il.com>, Zqiang <qiang.zhang1211@...il.com>,
 Julia Lawall <Julia.Lawall@...ia.fr>, Jakub Kicinski <kuba@...nel.org>,
 "Jason A. Donenfeld" <Jason@...c4.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Roman Gushchin <roman.gushchin@...ux.dev>,
 Hyeonggon Yoo <42.hyeyoo@...il.com>, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, rcu@...r.kernel.org,
 Alexander Potapenko <glider@...gle.com>, Marco Elver <elver@...gle.com>,
 Dmitry Vyukov <dvyukov@...gle.com>, kasan-dev@...glegroups.com,
 Jann Horn <jannh@...gle.com>, Mateusz Guzik <mjguzik@...il.com>,
 linux-nvme@...ts.infradead.org, leitao@...ian.org
Subject: Re: [PATCH v2 6/7] mm, slab: call kvfree_rcu_barrier() from
 kmem_cache_destroy()

On 2/26/25 3:31 PM, Uladzislau Rezki wrote:
> On Wed, Feb 26, 2025 at 11:59:53AM +0100, Vlastimil Babka wrote:
>> On 2/25/25 7:21 PM, Uladzislau Rezki wrote:
>>>>
>>> WQ_MEM_RECLAIM-patch fixes this for me:
>>
>> Sounds good, can you send a formal patch then?
>>
> Do you mean both? Test case and fix? I can :)

Sure, but only the fix is for stable. Thanks!