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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/x86_64
parent64e72e41acae0dab733fb0d5d789b76d115210c0 (diff)
downloadlinux-14f448e36192d6d2cd7dfd81cb044977b2f9dd9b.tar.gz
[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/x86_64')
-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 a75c829c2b02..855b5611318f 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 */