[PATCH] x86-64: Fix partial page check to ensure unusable memory is not being marked...
authorAaron Durbin <adurbin@google.com>
Tue, 14 Nov 2006 15:57:45 +0000 (16:57 +0100)
committerAndi Kleen <andi@basil.nowhere.org>
Tue, 14 Nov 2006 15:57:45 +0000 (16:57 +0100)
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>
arch/x86_64/kernel/e820.c

index a75c829..855b561 100644 (file)
@@ -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 */