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authorAaron Durbin <adurbin@google.com>2006-11-14 16:57:45 +0100
committerAndi Kleen <andi@basil.nowhere.org>2006-11-14 16:57:45 +0100
commit14f448e36192d6d2cd7dfd81cb044977b2f9dd9b (patch)
treec91ae2faabb58ac10f326714ffc473823fe6e451 /arch
parent64e72e41acae0dab733fb0d5d789b76d115210c0 (diff)
downloadop-kernel-dev-14f448e36192d6d2cd7dfd81cb044977b2f9dd9b.zip
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[PATCH] x86-64: Fix partial page check to ensure unusable memory is not being marked usable.
Fix partial page check in e820_register_active_regions to ensure partial pages are not being marked as active in the memory pool. Signed-off-by: Aaron Durbin <adurbin@google.com> Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86_64/kernel/e820.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index a75c829..855b561 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -278,7 +278,7 @@ e820_register_active_regions(int nid, unsigned long start_pfn,
>> PAGE_SHIFT;
/* Skip map entries smaller than a page */
- if (ei_startpfn > ei_endpfn)
+ if (ei_startpfn >= ei_endpfn)
continue;
/* Check if end_pfn_map should be updated */
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