1 files changed, 3 insertions, 0 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 903cad46e796..7774c6328970 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1259,6 +1259,7 @@ EXPORT_SYMBOL(vfree);
 void vunmap(const void *addr)
 {
         BUG_ON(in_interrupt());
+        might_sleep();
         __vunmap(addr, 0);
 }
 EXPORT_SYMBOL(vunmap);
@@ -1278,6 +1279,8 @@ void *vmap(struct page **pages, unsigned int count,
 {
         struct vm_struct *area;
 
+        might_sleep();
+
         if (count > num_physpages)
                 return NULL;