On Thu, Oct 08, 2015 at 05:18:14PM +0800, yalin wang wrote: > is it also possible to implement it on ARM platforms? > ARM64 platform don’t have HIGH_MEM zone . > but ARM platform have . > i remember boot loader must put init rd into low memory region, > so if some boot loader put init rd into HIGH men zone > we can also relocate it to low men region ? > then boot loader don’t need care about this , > and since vmalloc= boot option will change HIGH mem region size, > if we can relocate init rd , boot loader don’t need care about init rd load address, > when change vmalloc= boot options . I'd be more inclined to say yes if the kernel wasn't buggering around passing virtual addresses (initrd_start) of the initrd image around, but instead used a physical address. initrd_start must be a lowmem address. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>