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From: Shakeel Butt To: Johannes Weiner Cc: Andrew Morton , Michal Hocko , Roman Gushchin , Muchun Song , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: remove CONFIG_MEMCG_KMEM Message-ID: References: <20240701153148.452230-1-hannes@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240701153148.452230-1-hannes@cmpxchg.org> X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 0A0BE4000E X-Stat-Signature: z649m7ddxyekeiq1kp1nkruwnrzittjn X-Rspam-User: X-HE-Tag: 1719850453-156822 X-HE-Meta: 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 xUbC/pp9 VLD2xTy925Jyu84L4S77JXDhplrsc23IoTO4TXVzu2j1PVf2l7zJBRBTdbVwuawqxGDHP/AZ8envIhV+eDtqO2BYe24rrHbQYVPLqf4YZBNaj73zwpqXmJnCvJ6T4Lw93zw0JaOXlK6/9G8KgUd3JFwHrKg1ApGsXXSoyl8LTcaAmb1HOeVPbm0+e69e3DnHw6PgAF9iGegEx7VYhs9GGBNJF63kJWV3aoH/OTXm8aypM9xMf7xSF1DOyDfpgf1Pnv+IJrpRBqb+aTX2qpam7ObplGqC7fy3XQXRy 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 Mon, Jul 01, 2024 at 11:31:15AM GMT, Johannes Weiner wrote: > CONFIG_MEMCG_KMEM used to be a user-visible option for whether slab > tracking is enabled. It has been default-enabled and equivalent to > CONFIG_MEMCG for almost a decade. We've only grown more kernel memory > accounting sites since, and there is no imaginable cgroup usecase > going forward that wants to track user pages but not the multitude of > user-drivable kernel allocations. > > Signed-off-by: Johannes Weiner > Acked-by: Roman Gushchin > Acked-by: Michal Hocko Acked-by: Shakeel Butt