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The boot protocol has until now required that the initrd be located in lowmem, which makes the lowmem/highmem boundary visible to the boot loader. This was exported to the bootloader via a compile-time field. Unfortunately, the vmalloc= command-line option breaks this part of the protocol; instead of adding yet another hack that affects the bootloader, have the kernel relocate the initrd down below the lowmem boundary inside the kernel itself. Note that this does not rely on HIGHMEM being enabled in the kernel. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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