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From: Shakeel Butt To: Alexei Starovoitov Cc: bpf@vger.kernel.org, andrii@kernel.org, memxor@gmail.com, akpm@linux-foundation.org, peterz@infradead.org, vbabka@suse.cz, bigeasy@linutronix.de, rostedt@goodmis.org, houtao1@huawei.com, hannes@cmpxchg.org, mhocko@suse.com, willy@infradead.org, tglx@linutronix.de, jannh@google.com, tj@kernel.org, linux-mm@kvack.org, kernel-team@fb.com Subject: Re: [PATCH bpf-next v5 5/7] mm, bpf: Use memcg in try_alloc_pages(). Message-ID: References: <20250115021746.34691-1-alexei.starovoitov@gmail.com> <20250115021746.34691-6-alexei.starovoitov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250115021746.34691-6-alexei.starovoitov@gmail.com> X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: A5F3B40003 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: kmdf6mon8dd9muxzcpofguwojp6rd164 X-HE-Tag: 1736987086-800351 X-HE-Meta: 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 Ph3lykb6 gLe1wyt3efS4mycd+cA6OiTA15pHTuKK4C091o/pEcOA22+4MmiA9M19DcXqsWGaZoe+L1PY7AQN84OM6NxitL5conpY8nqnp/M3ZgkkhBVOyjRIg078p1IHA+WIzl5E9vEFIlvMu3EkPj9oXPMsMdrMU9K7gvus/38xjZoKx0JgF0TQy9Ef19RG7Q2irPNhDHxpckPha1xDmu7JEAALW9rXooKSkpB8LVgn5lkc3PSP9fagqHtYgbOfduNF48JTHqDAjJW1x+ygInchdTR3uowVRk7O6KWwU7uCZhm1dRaGG2irNIgMkjRe+78SYHSg1KKykDY0yCqkIWIY= 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 Tue, Jan 14, 2025 at 06:17:44PM -0800, Alexei Starovoitov wrote: > From: Alexei Starovoitov > > Unconditionally use __GFP_ACCOUNT in try_alloc_pages(). > The caller is responsible to setup memcg correctly. > All BPF memory accounting is memcg based. > > Signed-off-by: Alexei Starovoitov Acked-by: Shakeel Butt