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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 /arch/x86_64 | |
| parent | [PATCH] x86-64: Account for module percpu space separately from kernel percpu (diff) | |
| download | linux-dev-b92e9fac400d4ae5bc7a75c568e9844ec53ea329.tar.xz linux-dev-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 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/e820.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c index a490fabfcf47..be8965427a93 100644 --- a/arch/x86_64/kernel/e820.c +++ b/arch/x86_64/kernel/e820.c @@ -25,7 +25,7 @@ #include <asm/bootsetup.h> #include <asm/sections.h> -struct e820map e820 __initdata; +struct e820map e820; /* * PFN of last memory page. @@ -98,7 +98,7 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size) * This function checks if any part of the range <start,end> is mapped * with type. */ -int __meminit +int e820_any_mapped(unsigned long start, unsigned long end, unsigned type) { int i; @@ -112,6 +112,7 @@ e820_any_mapped(unsigned long start, unsigned long end, unsigned type) } return 0; } +EXPORT_SYMBOL_GPL(e820_any_mapped); /* * This function checks if the entire range <start,end> is mapped with type. |