rpjday wrote:
> i've been playing with building ram disks in memory (not to
> be confused with anything to do with "initrd"). so i can build
> a ram disk with:
>
> # dd if=/dev/zero of=/dev/ram0 bs=1k count=1024 (1M ramdisk)
> # mke2fs /dev/ram0
> # mount /dev/ram0 /mnt/floppy (silly place to mount, but valid)
>
> at this point, i can, of course, copy stuff into that ramdisk
> since it's just a separate filesystem. a friend of mine used to
> do this under solaris and copy in all the C header files since
> he was compiling all day long, and having the header files in
> memory made pre-processing lightning fast.
>
> the question: is there a command that will show me currently
> allocated in-core ram disks? after all, i can build more with
> /dev/ram1, /dev/ram2, etc. i'm sure ram disk usage will show
> up in the output of the "free" command, but is there some
> command which shows just ram disks? or perhaps something under
> /proc that i haven't noticed?
what doe ps -axv show? Anything useful?
> and how does one *deallocate*
> them, short of rebooting?
>
Is there a process associated with these?
>
> and while we're on the subject, does anyone use these on
> a regular basis? just curious.
>
No, but I have been considering dinking with it to preload graphics
files.
Bret
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