x86 boot: change sanitize_e820_map parameter from byte to int to allow bigger memory maps
The map size counter passed into, and back out of, sanitize_e820_map(), was an eight bit type (char or u8), as derived from its origins in legacy BIOS E820 structures. This patch changes that type to an 'int', to allow this sanitize routine to also be used on larger maps (larger than the 256 count that fits in a char). The legacy BIOS E820 interface of course does not change; that remains at 8 bits for this count, holding up to E820MAX == 128 entries. But the kernel internals can handle more when those additional memory map entries are passed from the BIOS via EFI interfaces. Signed-off-by:Paul Jackson <pj@sgi.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
parent
028b7858
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