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[195.250.132.146]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47787e2bcf9sm163601805e9.3.2025.11.14.10.21.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Nov 2025 10:21:49 -0800 (PST) From: =?UTF-8?q?Michal=20Koutn=C3=BD?= To: cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Natalie Vock , Maarten Lankhorst , =?UTF-8?q?Michal=20Koutn=C3=BD?= , Tejun Heo , Johannes Weiner , Jonathan Corbet Subject: [PATCH v2 2/3] docs: cgroup: Note about sibling relative reclaim protection Date: Fri, 14 Nov 2025 19:21:26 +0100 Message-ID: <20251114182130.1549832-3-mkoutny@suse.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251114182130.1549832-1-mkoutny@suse.com> References: <20251114182130.1549832-1-mkoutny@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Signed-off-by: Michal Koutn=C3=BD --- Documentation/admin-guide/cgroup-v2.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-= guide/cgroup-v2.rst index 97a9f8a046c5f..e0a659474fa47 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -1952,6 +1952,10 @@ When the reclaim targets ancestors of A, the effecti= ve protection of B is capped by the protection value configured for A (and any other intermediate ancestors between A and the target). =20 +To express indifference about relative sibling protection, it is suggested= to +use memory_recursiveprot. Configuring all descendants of a parent with fin= ite +protection to "max" works but it may unnecessarily skew memory.events:low +field. =20 Memory Ownership ~~~~~~~~~~~~~~~~ --=20 2.51.1