well, i finanly managed to make a ramdisk which will not earsed by reboot.
the solution is to give mem=32m, and use ioremap to map the rest of the 32m to virtual adresses now it works !!! thanks anyway erez. On Mon, 2002-01-21 at 15:15, Erez Doron wrote: > 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. > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
