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dkim=pass header.d=google.com header.s=20210112 header.b=NiW6mwj9; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf11.hostedemail.com: domain of shakeelb@google.com designates 209.85.214.171 as permitted sender) smtp.mailfrom=shakeelb@google.com X-Rspam-User: X-Stat-Signature: pqk3krfp36frbr3o7q9atr7ssz7tyfic X-HE-Tag: 1656601342-999080 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: On Thu, Jun 30, 2022 at 1:30 AM Yosry Ahmed wrote: > > vmpressure is used in cgroup v1 to notify userspace of reclaim > efficiency events, and is also used in both cgroup v1 and v2 as a signal > for memory pressure for networking, see > mem_cgroup_under_socket_pressure(). > > Proactive reclaim intends to probe memcgs for cold memory, without > affecting their performance. Hence, reclaim caused by writing to > memory.reclaim should not trigger vmpressure. > > Signed-off-by: Yosry Ahmed Acked-by: Shakeel Butt