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Mon, 27 Jul 2026 08:11:53 -0400 (EDT) Received: by fw12.qyliss.net (Postfix, from userid 1000) id 81B52C4D7A35; Mon, 27 Jul 2026 14:11:52 +0200 (CEST) From: Alyssa Ross To: Demi Marie Obenour Subject: Re: [PATCH v4 06/20] host/rootfs: Enable controllers in sub-cgroups In-Reply-To: <20260721-cgroups-v4-6-46b2e5fff7b6@gmail.com> References: <20260721-cgroups-v4-0-46b2e5fff7b6@gmail.com> <20260721-cgroups-v4-6-46b2e5fff7b6@gmail.com> Date: Mon, 27 Jul 2026 14:11:51 +0200 Message-ID: <87a4rclji0.fsf@alyssa.is> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Message-ID-Hash: NFAYMBRGYUTAYJK33RRJRFL6FN6SET4K X-Message-ID-Hash: NFAYMBRGYUTAYJK33RRJRFL6FN6SET4K X-MailFrom: hi@alyssa.is X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.spectrum-os.org-0; header-match-devel.spectrum-os.org-1; header-match-devel.spectrum-os.org-2; header-match-devel.spectrum-os.org-3; header-match-devel.spectrum-os.org-4; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Spectrum OS Development X-Mailman-Version: 3.3.10 Precedence: list List-Id: Patches and low-level development discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Demi Marie Obenour writes: > Actually use the cgroup manager for the first time. > > Signed-off-by: Demi Marie Obenour > --- > host/rootfs/image/etc/init | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/host/rootfs/image/etc/init b/host/rootfs/image/etc/init > index 8ec7859ab00e24007a93d4000c8f34e353de50ae..5d31a23bae2f29f35bfeced68= 242dededf6ae0c7 100755 > --- a/host/rootfs/image/etc/init > +++ b/host/rootfs/image/etc/init > @@ -12,4 +12,8 @@ if { /bin/ln -s /proc/self/fd/2 /dev/stderr } > if { /bin/mount --make-shared / } > if { /bin/mount -a --mkdir } >=20=20 > +# Enable subtree control of all cgroups and move > +# process to a child cgroup. > +/usr/bin/cgroup-setup --init-subtree . > + > /bin/s6-linux-init -c /etc/s6-linux-init -s /run/param -- $@ > Why do we need this? Isn't the root cgroup an exception to the "no internal processes" rule? --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQQGoGac7QfI+H5ZtFCZddwkt31pFQUCamdLBwAKCRCZddwkt31p FTA6AQD9+YX9HZH7L7Fx1ivnHLam10POK5UsZmdzJzQoYHrRxQEA90iMdwzAXM9e ZRhScGiFVKKy2FSh28RmSs86HyhQjws= =NzmV -----END PGP SIGNATURE----- --=-=-=--