summaryrefslogtreecommitdiffstats
path: root/include/linux/kernel.h
diff options
context:
space:
mode:
authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-14 16:29:08 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2009-01-14 16:29:08 +1100
commitc088f4e9da74b901f7ed1749ad697d77622ed0f9 (patch)
tree84cddf20369f82f10c1c3712e6cce20dd1b9d863 /include/linux/kernel.h
parentce79735c12d62c3cda38eb31762cf98e87c7b087 (diff)
parenta6525042bfdfcab128bd91fad264de10fd24a55e (diff)
downloadlinux-c088f4e9da74b901f7ed1749ad697d77622ed0f9.tar.gz
linux-c088f4e9da74b901f7ed1749ad697d77622ed0f9.tar.bz2
linux-c088f4e9da74b901f7ed1749ad697d77622ed0f9.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 6b8e2027165e..343df9ef2412 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.