From: Cyril Hrubis <chrubis@suse.cz>
To: Petr Vorel <pvorel@suse.cz>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH 1/2] swapon01: Test on all filesystems
Date: Fri, 19 Jan 2024 15:53:26 +0100 [thread overview]
Message-ID: <ZaqM5o2u6huhz3j7@yuki> (raw)
In-Reply-To: <20240119143329.GA8075@pevik>
Hi!
> > > For the previous iteration of this patch Li wasn't sure if this adds
> > > enough value since there isn't ton of filesystem specific code involved
> > > unless we actually start writing to the swapfile.
>
> I wonder how to force. We could setup
>
> sysctl vm.swappiness=100
>
> But how to consume enough RAM to be actually written?
One way is put the process into a cgroup with fairly small RAM limit and
then allocate and fault memory, getting this right is not that easy
though.
--
Cyril Hrubis
chrubis@suse.cz
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2024-01-19 14:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-11 16:24 [LTP] [PATCH 0/2] swapon01: Test on all filesystems, cleanup Petr Vorel
2023-10-11 16:24 ` [LTP] [PATCH 1/2] swapon01: Test on all filesystems Petr Vorel
2024-01-19 11:42 ` Cyril Hrubis
2024-01-19 12:26 ` Li Wang
2024-01-19 14:33 ` Petr Vorel
2024-01-19 14:53 ` Cyril Hrubis [this message]
2023-10-11 16:24 ` [LTP] [PATCH 2/2] swapon01: Simplify code, add copyright Petr Vorel
2024-01-19 11:59 ` Cyril Hrubis
2024-01-19 13:36 ` Petr Vorel
2023-10-12 9:28 ` [LTP] [PATCH 0/2] swapon01: Test on all filesystems, cleanup Marius Kittler
2024-01-12 7:18 ` Li Wang
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