Messages in this thread | | | Date | Mon, 21 Jan 2002 14:41:42 +0100 | From | Peter Wächtler <> | Subject | Re: non volatile ram disk |
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Erez Doron schrieb: > > 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 ? >
a MTD is the way to go, which uses the "reserved" mem area. I assume that the RAM is battery backed - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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