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

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Message-ID: <Z786FcgpcjVZw4WI@pc636>
Date: Wed, 26 Feb 2025 16:58:13 +0100
From: Uladzislau Rezki <urezki@...il.com>
To: Keith Busch <kbusch@...nel.org>
Cc: Uladzislau Rezki <urezki@...il.com>,
	Keith Busch <keith.busch@...il.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	"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 Wed, Feb 26, 2025 at 08:51:37AM -0700, Keith Busch wrote:
> On Tue, Feb 25, 2025 at 07:21:19PM +0100, Uladzislau Rezki wrote:
> > WQ_MEM_RECLAIM-patch fixes this for me:
> 
> This is successful with the new kuint test for me as well. I can't
> readily test this in production where I first learned of this issue (at
> least not in the near term), but for what it's worth, this looks like a
> good change to me.
> 
> Reviewed-by: Keith Busch <kbusch@...nel.org>
>  
Thank you for checking. I will apply this.

--
Uladzislau Rezki