summaryrefslogtreecommitdiff
path: root/mm/vmalloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a728fc492557..97d4b25d0373 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1577,6 +1577,8 @@ void vfree_atomic(const void *addr)
* have CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG, but making the calling
* conventions for vfree() arch-depenedent would be a really bad idea)
*
+ * May sleep if called *not* from interrupt context.
+ *
* NOTE: assumes that the object at @addr has a size >= sizeof(llist_node)
*/
void vfree(const void *addr)
@@ -1585,6 +1587,8 @@ void vfree(const void *addr)
kmemleak_free(addr);
+ might_sleep_if(!in_interrupt());
+
if (!addr)
return;
if (unlikely(in_interrupt()))