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[PATCH] x86: fix amd64-agp aperture validation
authorJan Beulich <jbeulich@novell.com>
Wed, 2 May 2007 17:27:11 +0000 (19:27 +0200)
committerAndi Kleen <andi@basil.nowhere.org>
Wed, 2 May 2007 17:27:11 +0000 (19:27 +0200)
commitb92e9fac400d4ae5bc7a75c568e9844ec53ea329
tree2e5d5194d2532a4d8d4849802e19adcc617013f6tree | snapshot (tar.gz zip)
parentb00742d399513a4100c24cc2accefdc1bb1e0b15commit | diff
[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>
arch/i386/kernel/e820.c diff | blob | blame | history
arch/x86_64/kernel/e820.c diff | blob | blame | history
drivers/char/agp/amd64-agp.c diff | blob | blame | history
include/asm-i386/e820.h diff | blob | blame | history