[PATCH] pgdat allocation for new node add (refresh node_data[])
Refresh NODE_DATA() for generic archs. In this case, NODE_DATA(nid) ==
node_data[nid]. node_data[] is array of address of pgdat. So, refresh is
quite simple.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index c6fd2c0..569b1f6 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -91,6 +91,9 @@
static inline void arch_free_nodedata(pg_data_t *pgdat)
{
}
+static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
+{
+}
#else /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */
@@ -114,6 +117,12 @@
*/
#define generic_free_nodedata(pgdat) kfree(pgdat)
+extern pg_data_t *node_data[];
+static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
+{
+ node_data[nid] = pgdat;
+}
+
#else /* !CONFIG_NUMA */
/* never called */
@@ -125,6 +134,9 @@
static inline void generic_free_nodedata(pg_data_t *pgdat)
{
}
+static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
+{
+}
#endif /* CONFIG_NUMA */
#endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */