1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index cd25300726fc..809dc70675f7 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -228,7 +228,8 @@ static int nodes_cover_memory(void)
         }
 
         e820ram = end_pfn - e820_hole_size(0, end_pfn);
-        if (pxmram < e820ram) {
+        /* We seem to lose 3 pages somewhere. Allow a bit of slack. */
+        if ((long)(e820ram - pxmram) >= 1*1024*1024) {
                 printk(KERN_ERR
         "SRAT: PXMs only cover %luMB of your %luMB e820 RAM. Not used.\n",
                         (pxmram << PAGE_SHIFT) >> 20,