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[95.203.6.24]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30a819ebe39sm5640871fa.28.2025.02.26.07.42.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Feb 2025 07:42:54 -0800 (PST) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Wed, 26 Feb 2025 16:42:50 +0100 To: Vlastimil Babka Cc: Uladzislau Rezki , Keith Busch , "Paul E. McKenney" , Joel Fernandes , Josh Triplett , Boqun Feng , Christoph Lameter , David Rientjes , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Julia Lawall , Jakub Kicinski , "Jason A. Donenfeld" , Andrew Morton , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.org, rcu@vger.kernel.org, Alexander Potapenko , Marco Elver , Dmitry Vyukov , kasan-dev@googlegroups.com, Jann Horn , Mateusz Guzik , linux-nvme@lists.infradead.org, leitao@debian.org Subject: Re: [PATCH v2 6/7] mm, slab: call kvfree_rcu_barrier() from kmem_cache_destroy() Message-ID: References: <2811463a-751f-4443-9125-02628dc315d9@suse.cz> <8d7aabb2-2836-4c09-9fc7-8bde271e7f23@suse.cz> <93f03922-3d3a-4204-89c1-90ea4e1fc217@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <93f03922-3d3a-4204-89c1-90ea4e1fc217@suse.cz> X-Rspam-User: X-Stat-Signature: geztc1mhcru34e3do54idwr1eaop5ubd X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A52554000D X-HE-Tag: 1740584577-436002 X-HE-Meta: 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 g5J1NXa5 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Feb 26, 2025 at 03:36:39PM +0100, Vlastimil Babka wrote: > 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! > It is taken by Gregg if there is a Fixes tag in the commit. What do you mean: the fix is for stable? The current Linus tree is not suffering from this? -- Uladzislau Rezki