On 26/08/14 15:05, Samuel Thibault wrote:
> [...] We can however do this early at boot:
>
> mount / -o remount,size=$(( $(grep ^MemTotal: /proc/meminfo | { read x y z;
> echo $y; }) * 1024 )
>
> notably before unpacking .udebs, S15lowmem would probably be a fine
> place for this? (it notably already does the computation trick)
Yes I think it could go there, but remembering that this is needed
whether the installer decides to go into low-memory mode or not.
Apparently you can just say size=100%
It could be any value sufficiently larger than 50%, but I think I'd
prefer 100% so that - in case of a bug that fills the tmpfs - memory
exhaustion happens rather than ENOSPC, because the latter might not
leave space for an explanation to be written to syslog.
mount(8), Mount options for tmpfs:
> size=nbytes
> Override default maximum size of the filesystem. The size is
> given in bytes, and rounded up to entire pages. The default is
> half of the memory. The size parameter also accepts a suffix %
> to limit this tmpfs instance to that percentage of your physical
> RAM: the default, when neither size nor nr_blocks is specified,
> is size=50%
Regards,
--
Steven Chamberlain
ste...@pyro.eu.org
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