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-rw-r--r--arch/x86/mm/srat_64.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index c7a18aaccf8d..87b45bff250d 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,