summaryrefslogtreecommitdiff
path: root/mm/util.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-16 22:44:14 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-16 22:44:14 +0200
commit1652a83fa494b12e20fc02a2cc3ddbcd75d53170 (patch)
tree2aa6461f309916dfadb19ed9e30886f4ece11e39 /mm/util.c
parentd6142b91e9cc249b3aa22c90fade67e2e2d52cdb (diff)
parent7876320f88802b22d4e2daf7eb027dd14175a0f8 (diff)
Merge 4.19-rc4 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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)
{