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authorPekka Enberg <penberg@cs.helsinki.fi>2005-09-09 13:10:16 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 14:03:43 -0700
commit80e93effce55044c5a7fa96e8b313640a80bd4e9 (patch)
tree339f0ac4c6d022ba048e109e51580c26ce4d252e /mm/slab.c
parentaf97c7220a0376beed827e72e3bb27731af7109d (diff)
downloadlwn-80e93effce55044c5a7fa96e8b313640a80bd4e9.tar.gz
lwn-80e93effce55044c5a7fa96e8b313640a80bd4e9.zip
[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>
Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/slab.c b/mm/slab.c
index a041c5378dfa..05a391059fe1 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2998,6 +2998,8 @@ EXPORT_SYMBOL(kzalloc);
* 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.
*/