1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index f42a17f88699..876b31cd822d 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -194,6 +194,7 @@ static inline int dup_mmap(struct mm_struct * mm, struct mm_struct * oldmm)
         mm->mmap = NULL;
         mm->mmap_cache = NULL;
         mm->free_area_cache = oldmm->mmap_base;
+        mm->cached_hole_size = ~0UL;
         mm->map_count = 0;
         set_mm_counter(mm, rss, 0);
         set_mm_counter(mm, anon_rss, 0);
@@ -322,6 +323,7 @@ static struct mm_struct * mm_init(struct mm_struct * mm)
         mm->ioctx_list = NULL;
         mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm);
         mm->free_area_cache = TASK_UNMAPPED_BASE;
+        mm->cached_hole_size = ~0UL;
 
         if (likely(!mm_alloc_pgd(mm))) {
                 mm->def_flags = 0;