From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E832D7F for ; Wed, 13 Sep 2023 00:28:37 +0000 (UTC) Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-68fb85afef4so2671411b3a.1 for ; Tue, 12 Sep 2023 17:28:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1694564917; x=1695169717; darn=lists.linux.dev; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=vhVRggmduCOuF925CMHCHBXtEyOEK3orQpWlelUcV6E=; b=H/MW0X1Sj70XJoDHeijszIeJU0BaOThdVc4H1iQLluh1A4iDtlUlCLnHlsfkueUgmL 3erFZMmMXg6FkyrMw13H/J5NAByUzQyzYxbRxOYrk/9Hmk8ezIW2AsmJW9Iw743ZXjM8 RSggesgW3mjEUsCFwqKv3j5DDPqKosQ8RcjduYLmpjWS9+jAG96pQt7QqcCWr3DRVRMT HhY33haP0858w63F4Zk5tC6DOuYGpJoOrjKeaVfK8mCRZRIaK350KmENohDVsYVxnuvW ggPJltzq2QTn8oEt2A3SyMaySuX3KVL4ZDJCHDp1lQp/7GheW1VWu7ph4vFxlwRw1q/h 0ukg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694564917; x=1695169717; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=vhVRggmduCOuF925CMHCHBXtEyOEK3orQpWlelUcV6E=; b=hDf+dUgoJr3iy6p595TJuvoOnjTr4GWeA/3+b8/d3kRlLqAQwKADPoChssCfl9LWOI hPEtZog0G1u9kBwPRfIlNc5q3Hqb2p/D+u5BSNI12RW86kV1rBREyX3LFT2z8F5lHC40 cAq6XXfvUN/l6HOp6flmx63Q0WylXP4RYd3Zvsh9hJFI9MEsNJ6PuFNiQXOXkFjml9Vu 56Ag7VdA47RWXoBFHAnfh4yfJcASkc1Pvan0GKIhbH8FsT3wLUjMUTRYTlIR7bD7ol/w dBA5JkGqJEDlQareJK71tNyyWpdcoATt5JapYr6XfvXa554e8QwesmoiW/1AcxlCRSF4 Xaqw== X-Gm-Message-State: AOJu0YzH0YTIOyFpXk3wlY5SdSPub0yJD1100o3gRz/4Ex2fZAkSBUS+ /XOpUs6aVKeA+qnlEy6sA3I= X-Google-Smtp-Source: AGHT+IEBZnQLXEt0KIbDgCMgCEh4GuL17Auf1WF5BNJZ8qXAnnanaFv1TrLKJDks+1AinRVyeTf32Q== X-Received: by 2002:a05:6a00:178c:b0:68e:482b:5a9d with SMTP id s12-20020a056a00178c00b0068e482b5a9dmr1592567pfg.8.1694564917147; Tue, 12 Sep 2023 17:28:37 -0700 (PDT) Received: from debian.me ([103.124.138.83]) by smtp.gmail.com with ESMTPSA id cl8-20020a056a0032c800b0068fb783d0c6sm5234168pfb.141.2023.09.12.17.28.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Sep 2023 17:28:36 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id DEF7383061BF; Wed, 13 Sep 2023 07:25:54 +0700 (WIB) Date: Wed, 13 Sep 2023 07:25:54 +0700 From: Bagas Sanjaya To: Christoph Biedl , Linux PARISC , Linux Memory Management List , Linux Kernel Mailing List , Linux Regressions Cc: Andrew Morton Subject: Re: Possible 6.5 regression: Huge values for "commited memory" Message-ID: References: <1694366957@msgid.manchmal.in-ulm.de> Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="z/ZVDhp9NzC+/dQk" Content-Disposition: inline In-Reply-To: <1694366957@msgid.manchmal.in-ulm.de> --z/ZVDhp9NzC+/dQk 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. Upgrading from what version? Also, can you describe your setup? And what is the value of `Committed_AS` on the kernel before you upgrade? (Hint: paste full /proc/meminfo from both old and new kernel.) >=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 You can certainly do bisection (see Documentation/admin-guide/bug-bisect.rst in the kernel sources for how to do that). Thanks. --=20 An old man doll... just what I always wanted! - Clara --z/ZVDhp9NzC+/dQk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCZQEBjQAKCRD2uYlJVVFO o8oPAQCr9xeAJQEx9/dp7rTccFhd5ag5yJt8QisGJVRhdwx9EgD9HuyG6/uCcvwy gP90l2jBVPt1HLUeUt6BY7VMcLZvPwg= =C/3F -----END PGP SIGNATURE----- --z/ZVDhp9NzC+/dQk--