non volatile ram disk

From: Erez Doron (erez@savan.com)
Date: Mon Jan 21 2002 - 08:15:28 EST


hi

I'm looking for a way to make a ramdisk which is not erased on reboot
this is for use with ipaq/linux.

i tought of booting with mem=32m and map a block device to the rest of
the 32M ram i have.

the probelm is that giving mem=32m to the kernel will cause the kernel
to map only the first 32m of physical memory to virtual one, so using
__pa(ptr) on the top 32m causes a kernel oops.

any idea ?

regards
erez.

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