mm: do not use mm->nr_pmds on !MMU configurations

mm->nr_pmds doesn't make sense on !MMU configurations

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 66e19c251581..cf65139615a0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -555,9 +555,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p)
         INIT_LIST_HEAD(&mm->mmlist);
         mm->core_state = NULL;
         atomic_long_set(&mm->nr_ptes, 0);
-#ifndef __PAGETABLE_PMD_FOLDED
-        atomic_long_set(&mm->nr_pmds, 0);
-#endif
+        mm_nr_pmds_init(mm);
         mm->map_count = 0;
         mm->locked_vm = 0;
         mm->pinned_vm = 0;