1 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 0004ac72dbdd..6fb6927f9e76 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -456,9 +456,9 @@ void __init reserve_top_address(unsigned long reserve)
 {
 #ifdef CONFIG_X86_32
         BUG_ON(fixmaps_set > 0);
-        printk(KERN_INFO "Reserving virtual address space above 0x%08x\n",
-               (int)-reserve);
-        __FIXADDR_TOP = -reserve - PAGE_SIZE;
+        __FIXADDR_TOP = round_down(-reserve, 1 << PMD_SHIFT) - PAGE_SIZE;
+        printk(KERN_INFO "Reserving virtual address space above 0x%08lx (rounded to 0x%08lx)\n",
+               -reserve, __FIXADDR_TOP + PAGE_SIZE);
 #endif
 }