From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com [209.85.208.173]) (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 F02E112C49C for ; Fri, 16 Aug 2024 06:47:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723790868; cv=none; b=RTfI2JrBS1G3OMsYJS92HdjtJi3u7phHD90Dp162Rc60aJ6R3hHZYWkIByy4uIu1sVuexE3PvY+xNcGY2eqbeQ2gNOQ22MWj9jXQTKgwC+DCVRUNbFUt/2VPjbV+1wKT5xyGO0M1mMUgscti2qRCce1J1guYA+m0G5RmC5pvseQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723790868; c=relaxed/simple; bh=T0VdKduPQGJi6AkSLeo9BQStbWgPyO4FqVFbuyz7Ck4=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=jw8QtsG7XbDLqeYJzL1+SlP1FbHXwMJ1v6uoWXq8F5cEd8xgxC3WA0M0SPlZ69IbdL4Y8jTVy730G01fWooGfWFw5BWxsKqQNRqgrwdgGd36rvVGcieFYcJy5Q/3Qx9nLg0yjJBKY9K7UwD2jRdIcpY6NKPnZ7OkFuDMDKla8wQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=intelfx.name; spf=pass smtp.mailfrom=intelfx.name; dkim=pass (1024-bit key) header.d=intelfx.name header.i=@intelfx.name header.b=LbODWuwk; arc=none smtp.client-ip=209.85.208.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=intelfx.name Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intelfx.name Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=intelfx.name header.i=@intelfx.name header.b="LbODWuwk" Received: by mail-lj1-f173.google.com with SMTP id 38308e7fff4ca-2f189a2a7f8so16506751fa.2 for ; Thu, 15 Aug 2024 23:47:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intelfx.name; s=google; t=1723790864; x=1724395664; darn=vger.kernel.org; h=mime-version:user-agent:references:in-reply-to:date:cc:to:from :subject:message-id:from:to:cc:subject:date:message-id:reply-to; bh=8lLzgjSB2IoK1vnwVoKunnSOI/FsPkT6j9SB5PkWlag=; b=LbODWuwkl+V6YKHJuKlFsOJ0mitIABEdIZPiVMZbzBSSviSYVl/iZ7TFeM9oGwx3FV EhUaaExWvem/ndMD6475r0dAQqNmYY3/ylhLUntDglHpxi1a5rib8jAePl8SanEaFYP4 bCPEIySMozuxFWZDA/TEVK1v4o8NtrU2xzvEQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723790864; x=1724395664; h=mime-version:user-agent:references:in-reply-to:date:cc:to:from :subject:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=8lLzgjSB2IoK1vnwVoKunnSOI/FsPkT6j9SB5PkWlag=; b=v7rkwhtuWd/h0Bpy+eNPIRyRmTSpI0nCyaHIMVUKYV0gSe6PZlH9n0DDG3vrJuGOBc 90jpKWUgA1s0k+KJYw9d2evIngAX4WDi6pesqTahPP/fLGovOmg3PB7ZodtVvMvIO7U8 +W8Ci83/h01wsa16rqSrwRACSRdP5dhuDAMRajUGzZWbo98RX5DO6mu5fv5usDsEDa3b 1m5Q2QOL1sWHIyfsyROrSGNi7SiWiOZqXUOHrIws1E2eg1e55gDC2uYTYHFZ6eeIJcPM CBN8W6g7Ynk+Z+4NCUJZWfwTbgYGRN2Yr55/9/ffnRBb6qpIQ+/7o+3VL8vPkRNKZxPM ZpTw== X-Gm-Message-State: AOJu0Yxm9nxrP0ndOl/5MDOjVF5K9XmU9nx7w5tzOj1JhsYsu7aKWd2e oHuAGOpznsQlOoFVWxy7Yw5MEL42vk7/Wuc9QWkfLfxT2mGsROa2asx+vM81t0M= X-Google-Smtp-Source: AGHT+IEUDb8Jqbq6Wtv9gX946gkofBEOlosk4U1gR7lhhl4/uKn+1ZZOLRCcShXy6Z61zpDe6D6i6g== X-Received: by 2002:a05:6512:b9f:b0:533:7ce:20cd with SMTP id 2adb3069b0e04-5331c6d942amr1062447e87.39.1723790863633; Thu, 15 Aug 2024 23:47:43 -0700 (PDT) Received: from able.exile.i.intelfx.name ([109.172.181.47]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a838396ce0asm206737266b.206.2024.08.15.23.47.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Aug 2024 23:47:43 -0700 (PDT) Message-ID: <7fca93ba155921cd3d32678899bbfcea58d23da3.camel@intelfx.name> Subject: Re: 6.10/regression/bisected - after f1d97e769152 I spotted increased execution time of the kswapd0 process and symptoms as if there is not enough memory From: Ivan Shapovalov To: Andrea Gelmini Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org Date: Fri, 16 Aug 2024 08:47:41 +0200 In-Reply-To: References: <277314c9-c4aa-4966-9fbe-c5c42feed7ef@gmail.com> <3df4acd616a07ef4d2dc6bad668701504b412ffc.camel@intelfx.name> <95f2c790f1746b6a3623ceb651864778d26467af.camel@intelfx.name> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-hHNU7Ev+t4Y6VgdH7HVw" User-Agent: Evolution 3.52.4 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 --=-hHNU7Ev+t4Y6VgdH7HVw Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On 2024-08-16 at 08:42 +0200, Andrea Gelmini wrote: > Il giorno ven 16 ago 2024 alle ore 01:17 ha scritt= o: > > Can we please have it reverted on the basis of this severe regression, > > until a better solution is found? >=20 > To disable the shrinker I simply remove two items: >=20 > diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c > index f05cce7c8b8d..4f958ba61e0e 100644 > --- a/fs/btrfs/super.c > +++ b/fs/btrfs/super.c > @@ -2410,8 +2410,6 @@ static const struct super_operations btrfs_super_op= s =3D { > .statfs =3D btrfs_statfs, > .freeze_fs =3D btrfs_freeze, > .unfreeze_fs =3D btrfs_unfreeze, > - .nr_cached_objects =3D btrfs_nr_cached_objects, > - .free_cached_objects =3D btrfs_free_cached_objects, > }; >=20 > static const struct file_operations btrfs_ctl_fops =3D { >=20 > This is from my thread with Filipe about same topic you can find in > the mailing list archive. Yes, that's what I did locally so far, on those systems that I _can_ run custom kernels on. The others I had to downgrade to 6.9 for the time being. So I do have a vested interest in this being resolved in the mainline/stable tree :-) --=20 Ivan Shapovalov / intelfx / --=-hHNU7Ev+t4Y6VgdH7HVw Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEE5N8nvImcx2nJlFGce94XyOTjDp0FAma+9g0VHGludGVsZnhA aW50ZWxmeC5uYW1lAAoJEHveF8jk4w6dt7UQAJoqWG6Kq290zPJnc/NJ3VCUee12 eFLw6Ur1TW2XTzsra9Qhq2CrzycXVD1q60mvDPevnZJfq0tLLMMvWef3UC35UYv6 um6uiyzeXpzw2lv08k4ONEaI8fL53B8Rv+3GfUL376LrVBtQNdFcy5W7ozIzXE59 RN8GdC+bky1x1rT0vlK5qzra2ZXWH2yeq1TaTduO+UXYGv6qKArqGmHpJjF9Fq8d jlW8lz1svDlBBFYJhrnjjf43W9tsK3DjsdtD3eVMrE0OaLylsfael0bDCT07IIPK PouqvaKnEuVBqDy7ZQhuDXTPTkjy0Q9oqQ/J/p9bZadV4KwOO04yBYv8cN6VAsNP eKF1wK0uYXuYcDQTvSQVpRvSnU47llhYoG2exa3yXj8EXOFpN1eYTKb40BKz9vg0 D0JKU9IcXvTJDd1jztbZG/FHxXctMpq0q16GtBxXCyDD4XYBNDV9oLYpIpNGHuWP Mkm7++BZ88q/P/hF4jfuOVRwUmJ1ggl+wIwx/c6jP9OeGSHg3RrNQI9GslV/csDY 67rC3dKJ9R0vwZo+DxlBmyXtoqU0cMtyr/4aNDHRbnfYZMysXNijjjjys3582ztL EgQhBfBK3lub0WlHAaRaRHR5D36slXROKWT0Y6oikigNTNkad2WGDJxAExxxHyYd LdHV5gDt63z+Mpaf =HcSM -----END PGP SIGNATURE----- --=-hHNU7Ev+t4Y6VgdH7HVw--