summaryrefslogtreecommitdiff
path: root/mm/util.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2018-09-12 22:22:42 -0700
committerDavid S. Miller <davem@davemloft.net>2018-09-12 22:22:42 -0700
commitaaf9253025e80cf8f62d7b33670e84e838eec5a3 (patch)
treef13b307c8407cc05ff803c4d7f6a0967d85ce3ec /mm/util.c
parenta20625e49ddefc250c221478fb0dc62ea27722a6 (diff)
parent7428b2e5d0b195f2a5e40f91d2b41a8503fcfe68 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'mm/util.c')
-rw-r--r--mm/util.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/util.c b/mm/util.c
index d2890a407332..9e3ebd2ef65f 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -435,11 +435,14 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
EXPORT_SYMBOL(kvmalloc_node);
/**
- * kvfree - free memory allocated with kvmalloc
- * @addr: pointer returned by kvmalloc
+ * kvfree() - Free memory.
+ * @addr: Pointer to allocated memory.
*
- * If the memory is allocated from vmalloc area it is freed with vfree().
- * Otherwise kfree() is used.
+ * kvfree frees memory allocated by any of vmalloc(), kmalloc() or kvmalloc().
+ * It is slightly more efficient to use kfree() or vfree() if you are certain
+ * that you know which one to use.
+ *
+ * Context: Any context except NMI.
*/
void kvfree(const void *addr)
{