Messages in this thread Patch in this message | | | Date | Tue, 18 May 2010 22:35:30 -0700 | Subject | [PATCH] Prevent reserving RAM in the region already reserved by BIOS | From | Mathieu Rondonneau <> |
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Does it make sense to prevent looking for stolen RAM below the ISA section.
Signed-off-by: Mathieu Rondonneau <mathieu.rondonneau@gmail.com> --- arch/x86/kernel/e820.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 7bca3c6..322c9c3 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -1156,6 +1156,8 @@ void __init e820_reserve_resources_late(void) end = MAX_RESOURCE_SIZE; if (start >= end) continue; + if (end < ISA_START_ADDRESS) + continue; printk(KERN_DEBUG "reserve RAM buffer: %016llx - %016llx ", start, end); reserve_region_with_split(&iomem_resource, start, end, -- 1.6.3.3
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