Commit 3ca4ea3a authored Oct 26, 2018 by Andrey Ryabinin Committed by Linus Torvalds Oct 26, 2018

mm/vmalloc.c: improve vfree() kerneldoc

vfree() might sleep if called not in interrupt context.  Explain that in
the comment.

Link: http://lkml.kernel.org/r/20180914130512.10394-2-aryabinin@virtuozzo.com


Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 52414d33

mm/vmalloc.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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)