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| author | Jan Beulich <jbeulich@novell.com> | 2007-05-02 19:27:11 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:11 +0200 |
| commit | b92e9fac400d4ae5bc7a75c568e9844ec53ea329 (patch) | |
| tree | 2e5d5194d2532a4d8d4849802e19adcc617013f6 /include/asm-i386/e820.h | |
| parent | b00742d399513a4100c24cc2accefdc1bb1e0b15 (diff) | |
| download | linux-b92e9fac400d4ae5bc7a75c568e9844ec53ea329.tar.gz linux-b92e9fac400d4ae5bc7a75c568e9844ec53ea329.tar.bz2 linux-b92e9fac400d4ae5bc7a75c568e9844ec53ea329.zip | |
[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 <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Mark Langsdorf <mark.langsdorf@amd.com>
Diffstat (limited to 'include/asm-i386/e820.h')
| -rw-r--r-- | include/asm-i386/e820.h | 1 |
1 files changed, 1 insertions, 0 deletions
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); |