summaryrefslogtreecommitdiffstats
path: root/include/linux/kernel.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 6b8e202..343df9e 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -476,6 +476,12 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
__val = __val < __min ? __min: __val; \
__val > __max ? __max: __val; })
+
+/*
+ * swap - swap value of @a and @b
+ */
+#define swap(a, b) ({ typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; })
+
/**
* container_of - cast a member of a structure out to the containing structure
* @ptr: the pointer to the member.
OpenPOWER on IntegriCloud