diff mbox series

[2/3] mm/vmalloc: Improve vfree() kerneldoc

Message ID 20180914130512.10394-2-aryabinin@virtuozzo.com (mailing list archive)
State New, archived
Headers show
Series [1/3] kvfree(): Fix misleading comment. | expand

Commit Message

Andrey Ryabinin Sept. 14, 2018, 1:05 p.m. UTC
vfree() might sleep if called not in interrupt context. Explain
that in the comment.

Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
---
 mm/vmalloc.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a728fc492557..d00d42d6bf79 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)