From b92e9fac400d4ae5bc7a75c568e9844ec53ea329 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 2 May 2007 19:27:11 +0200 Subject: [PATCH] x86: fix amd64-agp aperture validation Under CONFIG_DISCONTIGMEM, assuming that a !pfn_valid() implies all subsequent pfn-s are also invalid is wrong. Thus replace this by explicitly checking against the E820 map. AK: make e820 on x86-64 not initdata Signed-off-by: Jan Beulich Signed-off-by: Andi Kleen Acked-by: Mark Langsdorf --- include/asm-i386/e820.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/asm-i386/e820.h b/include/asm-i386/e820.h index c5b8fc6109d6..096a2a8eb1da 100644 --- a/include/asm-i386/e820.h +++ b/include/asm-i386/e820.h @@ -38,6 +38,7 @@ extern struct e820map e820; extern int e820_all_mapped(unsigned long start, unsigned long end, unsigned type); +extern int e820_any_mapped(u64 start, u64 end, unsigned type); extern void find_max_pfn(void); extern void register_bootmem_low_pages(unsigned long max_low_pfn); extern void e820_register_memory(void); -- cgit v1.2.3-59-g8ed1b