/dev/shm size?

JB jb.1234abcd at gmail.com
Sun Aug 29 07:45:53 UTC 2010

Tom Horsley <horsley1953 <at> gmail.com> writes:

> So, I just noticed that /dev/shm is 4 gig on my system
> with 8 gig of main memory. Does fedora always just automatically
> take half the memory for /dev/shm (I've never seen it say
> more than 1% was in use, so I'm not sure why it thinks
> it needs half). Does tempfs really grab all that memory
> up front? Or is that just some max it can grow to if it
> wants? Just curious if it affects the memory available
> for my virtual machines...




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