1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index c7a18aaccf8..87b45bff250 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -346,8 +346,8 @@ static int __init nodes_cover_memory(const struct bootnode *nodes)
         }
 
         e820ram = max_pfn - (e820_hole_size(0, max_pfn<<PAGE_SHIFT)>>PAGE_SHIFT);
-        /* We seem to lose 3 pages somewhere. Allow a bit of slack. */
-        if ((long)(e820ram - pxmram) >= 1*1024*1024) {
+        /* We seem to lose 3 pages somewhere. Allow 1M of slack. */
+        if ((long)(e820ram - pxmram) >= (1<<(20 - PAGE_SHIFT))) {
                 printk(KERN_ERR
         "SRAT: PXMs only cover %luMB of your %luMB e820 RAM. Not used.\n",
                         (pxmram << PAGE_SHIFT) >> 20,