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From: Shakeel Butt To: Roman Gushchin Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Johannes Weiner , Michal Hocko , Muchun Song Subject: Re: [PATCH v2 2/5] mm: page_counters: put page_counter_calculate_protection() under CONFIG_MEMCG Message-ID: References: <20240724202103.1210065-1-roman.gushchin@linux.dev> <20240724202103.1210065-3-roman.gushchin@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240724202103.1210065-3-roman.gushchin@linux.dev> X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: B23E8C0023 X-Stat-Signature: ieghwu6dtb35wosjjdjfu5bmxj6t7p5x X-Rspamd-Server: rspam09 X-Rspam-User: X-HE-Tag: 1721862366-534757 X-HE-Meta: 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 XJzoiAWE h/RWEINmbYJRmOjmbeXKnd04oAptr+rvsYQCKRjbF+UMGrBbupWKQgpweYj0WUbZZYoHFvN+TGsIzAET7FYfLWXPCL16zs6pk81g+rA27NonaQKS9pQkNtLmCMKBOc0WjBu2ZZIVRp/7v6vB4YTC/7+/bQ5CLqCIKphvr 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, Jul 24, 2024 at 08:21:00PM GMT, Roman Gushchin wrote: > Put page_counter_calculate_protection() under CONFIG_MEMCG. > > The protection functionality (min/low limits) is not supported by any > other cgroup subsystem, so page_counter_calculate_protection() and > related static effective_protection() can be compiled out if > CONFIG_MEMCG is not enabled. > > Signed-off-by: Roman Gushchin Acked-by: Shakeel Butt