On Mon, 21 Jan 2002, Erez Doron wrote: > I'm trying to create a ram disk which is not erased by reboot, > for instance, if i have 512M ram, i want to do mem=500m and use the remaining 12m > for ramdisk. > > I have already written the kernel module for it, but the problem is that when i > access theupper 12m with __pa(addr), i get a kernel oops ...
Those are used by the BIOS, If the kernel detected only 500, it means that you shouldn't touch anything beyond that. There is also a badmem patch for marking certain areas in the memory as "bad" and preventing the kernel from touching them, IIRC. -- Tzafrir Cohen /"\ mailto:[EMAIL PROTECTED] \ / ASCII Ribbon Campaign Taub 229, 972-4-829-3942, X Against HTML Mail http://www.technion.ac.il/~tzafrir / \ ================================================================= 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]
