commit 80e93effce55044c5a7fa96e8b313640a80bd4e9
author Pekka Enberg <penberg@cs.helsinki.fi> Fri Sep 09 13:10:16 2005 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Fri Sep 09 14:03:43 2005 -0700
tree 339f0ac4c6d022ba048e109e51580c26ce4d252e
parent af97c7220a0376beed827e72e3bb27731af7109d

[PATCH] update kfree, vfree, and vunmap kerneldoc

This patch clarifies NULL handling of kfree() and vfree().  I addition,
wording of calling context restriction for vfree() and vunmap() are changed
from "may not" to "must not."

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

mm/slab.c

diff --git a/mm/slab.c b/mm/slab.c
index a041c53..05a3910 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2998,6 +2998,8 @@
  * kfree - free previously allocated memory
  * @objp: pointer returned by kmalloc.
  *
+ * If @objp is NULL, no operation is performed.
+ *
  * Don't free memory not originally allocated by kmalloc()
  * or you will run into trouble.
  */