1 files changed, 3 insertions, 1 deletions

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index f277c4a111cb..da4409ebb59c 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -138,8 +138,10 @@ static void *m_start(struct seq_file *m, loff_t *pos)
         vma = NULL;
         if ((unsigned long)l < mm->map_count) {
                 vma = mm->mmap;
-                while (l-- && vma)
+                while (l-- && vma) {
                         vma = vma->vm_next;
+                        cond_resched();
+                }
                 goto out;
         }