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-rw-r--r--mm/vmalloc.c2
1 files changed, 2 insertions, 0 deletions
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)