X-Git-Url: http://git.agner.ch/gitweb/?p=linux-drm-fsl-dcu.git;a=blobdiff_plain;f=arch%2Fx86_64%2Fkernel%2Fe820.c;h=6fe191c5808465ddc7c8673c8996d52a67858d98;hp=a75c829c2b02b16bf23ea495a326d0307cd9685b;hb=b361735043e3001eadb1d40916fd1a4fca1a9363;hpb=73bb8919b33d42cf75a0ed89bc9ca6a7128665be

diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index a75c829c2b02..6fe191c58084 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 */
@@ -594,7 +594,9 @@ static int __init parse_memmap_opt(char *p)
 		 * size before original memory map is
 		 * reset.
 		 */
+		e820_register_active_regions(0, 0, -1UL);
 		saved_max_pfn = e820_end_of_ram();
+		remove_all_active_ranges();
 #endif
 		end_pfn_map = 0;
 		e820.nr_map = 0;