vfree() might sleep if called not in interrupt context. Explain that in the comment.
Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com> --- mm/vmalloc.c | 2 ++ 1 file changed, 2 insertions(+) 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) -- 2.16.4
