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[95.203.6.24]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30a819f4cffsm5537121fa.58.2025.02.26.07.57.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Feb 2025 07:57:30 -0800 (PST) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Wed, 26 Feb 2025 16:57:27 +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: <8d7aabb2-2836-4c09-9fc7-8bde271e7f23@suse.cz> <93f03922-3d3a-4204-89c1-90ea4e1fc217@suse.cz> <8899bfa5-bd8b-4d34-a149-40f30d12cb1e@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8899bfa5-bd8b-4d34-a149-40f30d12cb1e@suse.cz> X-Rspamd-Queue-Id: EB66D100006 X-Rspamd-Server: rspam08 X-Rspam-User: X-Stat-Signature: f4ed53roytjmjjukfqaqjsmi5kyn5acb X-HE-Tag: 1740585453-115259 X-HE-Meta: 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 I3HKvqxf 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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 04:46:38PM +0100, Vlastimil Babka wrote: > On 2/26/25 4:42 PM, Uladzislau Rezki wrote: > > 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? > > I just meant the fix should be a Cc: stable, and the testcase not. > mm/ has an exception from "anything with Fixes: can be taken to stable" > Got it. -- Uladzislau Rezki