Index: linux-2.6/arch/x86/kernel/cpu/mtrr/main.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/mtrr/main.c
+++ linux-2.6/arch/x86/kernel/cpu/mtrr/main.c
@@ -1103,6 +1103,9 @@ static u64 __init real_trim_memory(unsig
 	trim_size = limit_pfn;
 	trim_size <<= PAGE_SHIFT;
 	trim_size -= trim_start;
+
+	printk(KERN_INFO "trimm e820 for MTRR MAP (UC): %016lx - %016lx\n", start_pfn, limit_pfn);
+
 	return update_memory_range(trim_start, trim_size, E820_RAM,
 				E820_RESERVED);
 }
@@ -1203,7 +1206,8 @@ int __init mtrr_trim_uncached_memory(uns
 			" all of memory, losing %lluMB of RAM.\n",
 			total_real_trim_size >> 20);
 
-		WARN_ON(1);
+		if (enable_mtrr_cleanup < 1)
+			WARN_ON(1);
 
 		printk(KERN_INFO "update e820 for mtrr -- end_pfn\n");
 		update_e820();
@@ -1214,7 +1218,7 @@ int __init mtrr_trim_uncached_memory(uns
 	if (range[0].start)
 		total_real_trim_size += real_trim_memory(0, range[0].start);
 
-	for (i = 0; i < nr_range - 1; i--) {
+	for (i = 0; i < nr_range - 1; i++) {
 		if (range[i].end + 1 < range[i+1].start)
 			total_real_trim_size += real_trim_memory(range[i].end + 1, range[i+1].start);
 	}
@@ -1224,7 +1228,8 @@ int __init mtrr_trim_uncached_memory(uns
 			" all of memory, losing %lluMB of RAM.\n",
 			total_real_trim_size >> 20);
 
-		WARN_ON(1);
+		if (enable_mtrr_cleanup < 1)
+			WARN_ON(1);
 
 		printk(KERN_INFO "update e820 for mtrr -- holes\n");
 		update_e820();