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Subject: Re: Memory management issue on RPi?
From: Michael Tuexen <tuexen@freebsd.org>
In-Reply-To: <20151112171221.GO2257@kib.kiev.ua>
Date: Thu, 12 Nov 2015 18:57:03 +0100
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To: Konstantin Belousov <kostikbel@gmail.com>
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> On 12 Nov 2015, at 18:12, Konstantin Belousov <kostikbel@gmail.com> =
wrote:
>=20
> On Thu, Nov 12, 2015 at 05:25:37PM +0100, Michael Tuexen wrote:
>>> On 12 Nov 2015, at 13:18, Konstantin Belousov <kostikbel@gmail.com> =
wrote:
>>> This is a known problem with the swap-less OOM.  The following patch
>>> should give you an immediate relief.  You might want to tweak
>>> sysctl vm.pageout_oom_seq if default value is not right, it was =
selected
>>> by 'try and see' approach on very small (32 or 64MB) i386 VM.
>> It just works... Will do some more testing...
>=20
> I am more interested in report if OOM was triggered when it should.
How do I know? What output do you want to see?

Best regards
Michael
>=20
> Try running several instances of 'sort /dev/zero'.
>=20