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Mon, 22 Jun 2026 07:59:51 -0700 (PDT) Date: Mon, 22 Jun 2026 16:59:49 +0200 From: Michal =?utf-8?Q?Koutn=C3=BD?= To: Doehyun Baek Cc: Tejun Heo , Jonathan Corbet , Johannes Weiner , Andrew Morton , Shakeel Butt , Roman Gushchin , Yosry Ahmed , Nhat Pham , cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Docs/admin-guide/cgroup-v2: fix memory.stat doc details Message-ID: References: <20260620122751.388770-1-doehyunbaek@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="7z2vuj6kqtgqe2kl" Content-Disposition: inline In-Reply-To: <20260620122751.388770-1-doehyunbaek@gmail.com> --7z2vuj6kqtgqe2kl Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH] Docs/admin-guide/cgroup-v2: fix memory.stat doc details MIME-Version: 1.0 On Sat, Jun 20, 2026 at 12:27:51PM +0000, Doehyun Baek wrote: > Fix minor cgroup v2 memory.stat documentation issues. Correct the > vmalloc per-node marker now that vmalloc uses the native NR_VMALLOC node > stat, and document zswap_incomp as a byte-valued memory amount instead > of as a page counter. >=20 > Fixes: c466412c73c3 ("mm: memcontrol: switch to native NR_VMALLOC vmstat = counter") > Fixes: 5ad41a38c364 ("mm: zswap: add per-memcg stat for incompressible pa= ges") > Signed-off-by: Doehyun Baek > --- > Documentation/admin-guide/cgroup-v2.rst | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) >=20 > diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admi= n-guide/cgroup-v2.rst > index 993446ab66d0..ce6741f78f4f 100644 > --- a/Documentation/admin-guide/cgroup-v2.rst > +++ b/Documentation/admin-guide/cgroup-v2.rst > @@ -1570,7 +1570,7 @@ The following nested keys are defined. > sock (npn) > Amount of memory used in network transmission buffers > =20 > - vmalloc (npn) > + vmalloc > Amount of memory used for vmap backed memory. The vmalloc change looks OK... > =20 > shmem > @@ -1735,7 +1735,7 @@ The following nested keys are defined. > Number of pages written from zswap to swap. > =20 > zswap_incomp > - Number of incompressible pages currently stored in zswap > + Amount of memory used by incompressible pages currently stored in zswap > without compression. These pages could not be compressed to > a size smaller than PAGE_SIZE, so they are stored as-is. =2E..but what do you mean by this? As I'm looking at the code in obj_cgroup_charge_zswap() and memcg_page_state_output_unit(), I'd say those are pages and the docs is thus alright. Thanks, Michal --7z2vuj6kqtgqe2kl Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iJEEABYKADkWIQRCE24Fn/AcRjnLivR+PQLnlNv4CAUCajlN2BsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDIACgkQfj0C55Tb+AiYqQD/Yrcx9m1Cd6p0RIJlgi6p Pw+UTZoClU4K345dMUKxS9oA/iffuwIIMbqckL/HpyJUf1dxbIeOVfV/GJ9kehOF i2kH =yZlU -----END PGP SIGNATURE----- --7z2vuj6kqtgqe2kl--