How to change the default size of tmpfs?

David Landry dlandry at byu.net
Tue Dec 21 10:54:09 MST 2010


I'm pretty sure the size of the tmpfs is set when mounted, so changing fstab
would be the way to go, unless you want to manually remount things.

David Landry


On Tue, Dec 21, 2010 at 9:53 AM, AJ ONeal <coolaj86 at gmail.com> wrote:

> How do I make the system-wide default size of tmpfs smaller (or bigger for
> that matter)?
>
> I found that for one-time use I can change the size of tmpfs in this
> fashion:
>
> # make tmpfs in /dev/shm 40Mb
> mount -o remount,size=40M /dev/shm
>
> Obviously, I can also change fstab
>
> tmpfs                /var/volatile        tmpfs      size=40M
> 0  0
> tmpfs                /dev/shm             tmpfs
> size=40M,mode=0777             0  0
> tmpfs                /media/ram           tmpfs      size=40M
> 0  0
>
> And, of course, most obviously I can change the source code of the kernel
> myself with my bare hands while walking up-hill both ways in the snow on my
> netbook with full-20%-size-keyboard and a 1400 baud modem on a 8088
> processor in the editor I wrote myself in assembly and punch-cards.
>
> I don't recall seeing the option in make menuconfig
>
> Maybe something in /etc/sysctl.conf?
>
> AJ ONeal
>
> /*
> PLUG: http://plug.org, #utah on irc.freenode.net
> Unsubscribe: http://plug.org/mailman/options/plug
> Don't fear the penguin.
> */
>


More information about the PLUG mailing list