1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index cd25300726fc..482c25767369 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,
@@ -270,7 +271,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
                 return -1;
         }
 
-        memnode_shift = compute_hash_shift(nodes, nodes_weight(nodes_parsed));
+        memnode_shift = compute_hash_shift(nodes, MAX_NUMNODES);
         if (memnode_shift < 0) {
                 printk(KERN_ERR
                      "SRAT: No NUMA node hash function found. Contact maintainer\n");