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authorJiri Kosina <jkosina@suse.cz>2011-09-15 15:08:05 +0200
committerJiri Kosina <jkosina@suse.cz>2011-09-15 15:08:18 +0200
commite060c38434b2caa78efe7cedaff4191040b65a15 (patch)
tree407361230bf6733f63d8e788e4b5e6566ee04818 /include/linux/nodemask.h
parent10e4ac572eeffe5317019bd7330b6058a400dfc2 (diff)
parentcc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 (diff)
downloadlwn-e060c38434b2caa78efe7cedaff4191040b65a15.tar.gz
lwn-e060c38434b2caa78efe7cedaff4191040b65a15.zip
Merge branch 'master' into for-next
Fast-forward merge with Linus to be able to merge patches based on more recent version of the tree.
Diffstat (limited to 'include/linux/nodemask.h')
-rw-r--r--include/linux/nodemask.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index dba35e413371..7afc36334d52 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -66,6 +66,8 @@
* int num_online_nodes() Number of online Nodes
* int num_possible_nodes() Number of all possible Nodes
*
+ * int node_random(mask) Random node with set bit in mask
+ *
* int node_online(node) Is some node online?
* int node_possible(node) Is some node possible?
*
@@ -430,6 +432,7 @@ static inline void node_set_offline(int nid)
node_clear_state(nid, N_ONLINE);
nr_online_nodes = num_node_state(N_ONLINE);
}
+
#else
static inline int node_state(int node, enum node_states state)
@@ -460,6 +463,16 @@ static inline int num_node_state(enum node_states state)
#define node_set_online(node) node_set_state((node), N_ONLINE)
#define node_set_offline(node) node_clear_state((node), N_ONLINE)
+
+#endif
+
+#if defined(CONFIG_NUMA) && (MAX_NUMNODES > 1)
+extern int node_random(const nodemask_t *maskp);
+#else
+static inline int node_random(const nodemask_t *mask)
+{
+ return 0;
+}
#endif
#define node_online_map node_states[N_ONLINE]