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Thu, 12 Dec 2024 11:13:48 -0800 (PST) Received: from pc636 ([2001:9b1:d5a0:a500::800]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53e3126b8fesm2077057e87.183.2024.12.12.11.13.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Dec 2024 11:13:47 -0800 (PST) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Thu, 12 Dec 2024 20:13:45 +0100 To: "Paul E. McKenney" , "Christoph Lameter (Ampere)" Cc: "Christoph Lameter (Ampere)" , "Uladzislau Rezki (Sony)" , linux-mm@kvack.org, Andrew Morton , Vlastimil Babka , RCU , LKML , Pekka Enberg , David Rientjes , Joonsoo Kim , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Oleksiy Avramchenko Subject: Re: [PATCH v2 0/5] Move kvfree_rcu() into SLAB (v2) Message-ID: References: <20241212180208.274813-1-urezki@gmail.com> <4f739c61-24c0-3790-8114-988f02c7caea@gentwo.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Stat-Signature: cb3y6437mzpij5qfhokg8s4e3xu7yw7a X-Rspam-User: X-Rspamd-Queue-Id: AEC1C4001B X-Rspamd-Server: rspam08 X-HE-Tag: 1734030811-919754 X-HE-Meta: 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 KwchvcK6 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.061710, 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 Thu, Dec 12, 2024 at 11:10:47AM -0800, Paul E. McKenney wrote: > On Thu, Dec 12, 2024 at 10:30:28AM -0800, Christoph Lameter (Ampere) wrote: > > On Thu, 12 Dec 2024, Uladzislau Rezki (Sony) wrote: > > > > > This is v2. It is based on the Linux 6.13-rc2. The first version is > > > here: > > > > I do not see any use of internal slab interfaces by this code. It seems to > > be using rcu internals though. So it would best be placed with the rcu > > code. > > That is indeed the current state. The point of moving it is to later > take advantage of internal slab state. > And, in fact we already have some integrations. For example a barrier has been added for slab caches. -- Uladzislau Rezki