1 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c
index bdda2e6c673b..35ffda5d0727 100644
--- a/arch/x86/kernel/cpu/mtrr/cleanup.c
+++ b/arch/x86/kernel/cpu/mtrr/cleanup.c
@@ -258,11 +258,11 @@ range_to_mtrr(unsigned int reg, unsigned long range_startk,
 
                 /* Compute the maximum size with which we can make a range: */
                 if (range_startk)
-                        max_align = ffs(range_startk) - 1;
+                        max_align = __ffs(range_startk);
                 else
-                        max_align = 32;
+                        max_align = BITS_PER_LONG - 1;
 
-                align = fls(range_sizek) - 1;
+                align = __fls(range_sizek);
                 if (align > max_align)
                         align = max_align;