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Thu, 05 Feb 2026 09:45:36 -0800 (PST) MIME-Version: 1.0 References: <20260205053013.25134-1-jiayuan.chen@linux.dev> In-Reply-To: From: Nhat Pham Date: Thu, 5 Feb 2026 09:45:25 -0800 X-Gm-Features: AZwV_QiTVjMDiQYOXusEpf0PR0me_oBC5l27xMwTMrBI23cf9pS9stnj9eBMkRg Message-ID: Subject: Re: [PATCH v1] mm: zswap: add per-memcg stat for incompressible pages To: Jiayuan Chen Cc: linux-mm@kvack.org, Jiayuan Chen , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , Yosry Ahmed , Chengming Zhou , Andrew Morton , Nick Terrell , David Sterba , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Chris Li Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: x15yr5pz549g67fipdgdaiphuufzu8j5 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 621DE4000F X-HE-Tag: 1770313538-355486 X-HE-Meta: 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 jLiNvG4N 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 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 Thu, Feb 5, 2026 at 9:31=E2=80=AFAM Nhat Pham wrote: > > On Wed, Feb 4, 2026 at 9:31=E2=80=AFPM Jiayuan Chen wrote: > > > > From: Jiayuan Chen > > > > The global zswap_stored_incompressible_pages counter was added in commi= t > > dca4437a5861 ("mm/zswap: store > mixed with highly compressible ones". The zswpraw stat provides direct > > visibility into the latter case. > Actually I forgot - can you also update the Documentation: Documentation/admin-guide/cgroup-v2.rst to include a short description of the new counter? Thanks!