Merge remote-tracking branch 'torvalds/master' into perf/urgent

[linux-2.6-microblaze.git] / mm / ptdump.c

diff --git a/mm/ptdump.c b/mm/ptdump.c
index f4ce916..ba88ec4 100644 (file)
--- a/mm/ptdump.c
+++ b/mm/ptdump.c
@@ -141,13 +141,13 @@ void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd)
 {
        const struct ptdump_range *range = st->range;
 
-       down_read(&mm->mmap_sem);
+       mmap_read_lock(mm);
        while (range->start != range->end) {
                walk_page_range_novma(mm, range->start, range->end,
                                      &ptdump_ops, pgd, st);
                range++;
        }
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
 
        /* Flush out the last page */
        st->note_page(st, 0, -1, 0);