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Sat, 16 Sep 2023 04:43:14 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id 3FF2884BCECB; Sat, 16 Sep 2023 18:43:11 +0700 (WIB) Date: Sat, 16 Sep 2023 18:43:11 +0700 From: Bagas Sanjaya To: Christoph Biedl , Linux PARISC , Linux Memory Management List , Linux Kernel Mailing List , Linux Regressions Cc: Andrew Morton , Linus Torvalds , Liam R. Howlett , "Matthew Wilcox (Oracle)" , Michael Labiuk Subject: Re: Possible 6.5 regression: Huge values for "commited memory" Message-ID: References: <1694366957@msgid.manchmal.in-ulm.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Ubig+PjK+zY49GyO" Content-Disposition: inline In-Reply-To: <1694366957@msgid.manchmal.in-ulm.de> X-Rspamd-Queue-Id: C89F3C001B X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: ow5riz8gdaffbqza5nui66oc979kiomb X-HE-Tag: 1694864595-302278 X-HE-Meta: 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 QcI2cpeF 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000361, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --Ubig+PjK+zY49GyO Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Sep 10, 2023 at 07:48:23PM +0200, Christoph Biedl wrote: > Hello, >=20 > For the time being, just an observation: I monitor various parameters on > my systems, and among them is "Committed memory", the Committed_AS value > in /proc/meminfo. >=20 > Since upgrading to the 6.5.x series, I noticed the value there grows way > higher values then previously in hppa, even if the machine is idle. > Values seem to rise up to around 1.6 Gbyte, long-term average is rather > 200-300 Mbyte. Also, I cannot see any memory hogs in top. The workload > hasn't changed in months. >=20 > To sum it up, I reckon something went wrong in the memory usage > accounting. Is this already on radar, or should I start bisecting? That > might take a lot of time, though. >=20 Thanks for the regression report. Michael had already bisected it [1], so telling regzbot: #regzbot ^introduced: 408579cd627a15 #regzbot title: huge committed memory due to returning 0 on do_vmi_align_mm= unmap() success [1]: https://lore.kernel.org/linux-parisc/30f16b4f-a2fa-fc42-fe6e-abad01c3f= 794@virtuozzo.com/ --=20 An old man doll... just what I always wanted! - Clara --Ubig+PjK+zY49GyO Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCZQWUzgAKCRD2uYlJVVFO o+DGAQCTnfWmlBPLo6fV+7oLT+GdgyuBel3CWHtBl3DrSEed7wEAnwjnr+u9+MPe EllKUgGCBB28Uewy5EsiPv6QGHymawI= =JbYs -----END PGP SIGNATURE----- --Ubig+PjK+zY49GyO--