This function 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 <[email protected]>
Signed-off-by: KAMEZAWA Hiroyuki <[email protected]>
include/linux/memory_hotplug.h | 12 ++++++++++++
1 files changed, 12 insertions(+)
Index: pgdat8/include/linux/memory_hotplug.h
===================================================================
--- pgdat8.orig/include/linux/memory_hotplug.h 2006-03-17 13:53:23.914730042 +0900
+++ pgdat8/include/linux/memory_hotplug.h 2006-03-17 13:53:27.319026876 +0900
@@ -88,11 +88,14 @@ static inline int arch_nid_probe(u64 sta
*/
extern pg_data_t * arch_alloc_nodedata(int nid);
extern void arch_free_nodedata(pg_data_t *pgdat);
+extern void arch_refresh_nodedata(int nid, pg_data_t *pgdat);
#else /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */
#define arch_alloc_nodedata(nid) generic_alloc_nodedata(nid)
#define arch_free_nodedata(pgdat) generic_free_nodedata(pgdat)
+#define arch_refresh_nodedata(nid, pgdat) \
+ generic_refresh_nodedata(nid, pgdat)
#ifdef CONFIG_NUMA
/*
@@ -111,6 +114,12 @@ extern void arch_free_nodedata(pg_data_t
*/
#define generic_free_nodedata(pgdat) kfree(pgdat)
+extern pg_data_t *node_data[];
+static inline void generic_refresh_nodedata(int nid, pg_data_t *pgdat)
+{
+ node_data[nid] = pgdat;
+}
+
#else /* !CONFIG_NUMA */
/* never called */
@@ -122,6 +131,9 @@ static inline pg_data_t *generic_alloc_n
static inline void generic_free_nodedata(pg_data_t *pgdat)
{
}
+static inline void generic_refresh_nodedata(int nid, pg_data_t *pgdat)
+{
+}
#endif /* CONFIG_NUMA */
#endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */
--
Yasunori Goto
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