Date: Mon, 22 Jan 2024 03:48:06 +0000 From: Alexey Dokuchaev <danfe@freebsd.org> To: Jessica Clarke <jrtc27@freebsd.org> Cc: Mike Karels <karels@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@freebsd.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@freebsd.org> Subject: Re: git: 636592343c3e - main - tmpfs: increase memory reserve to a percent of available memory + swap Message-ID: <Za3ldgmM-nbPNdxe@FreeBSD.org> In-Reply-To: <FCB7B75C-1816-4F93-9560-59208F5A8781@freebsd.org> References: <202312191534.3BJFY3fo030908@gitrepo.freebsd.org> <FCB7B75C-1816-4F93-9560-59208F5A8781@freebsd.org>
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On Mon, Jan 22, 2024 at 03:27:57AM +0000, Jessica Clarke wrote: > On 19 Dec 2023, at 15:34, Mike Karels <karels@FreeBSD.org> wrote: > > commit 636592343c3ec0feb61a4d8043676381384420dd > > > > tmpfs: increase memory reserve to a percent of available memory + swap > > > > [...] > > > > Add sysctl for vfs.tmpfs.memory_percent and the pre-existing > > vfs.tmpfs.memory_reserved to tmpfs(5). > > > > PR: 275436 > > MFC after: 1 month > > Reviewed by: rgrimes > > Differential Revision: https://reviews.freebsd.org/D43011 > > I just got: > > make[6]: Could not create temporary file /tmp/makeDl4i9S: > No space left on device > > after doing a buildworld -j4 on a 4 core, 16 GiB system where /tmp is a > tmpfs, with the prior buildworld having taken me past this commit, > which I strongly suspect to be the cause. Whilst I understand the > motivation behind your commits, this is a sad regression to have; it's > not exactly a particularly strange situation. FWIW, I've seen two people complain about this last week, apparently this kernel OOM protection doesn't work very well. :-/ ./danfe
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