* Now, arch_free_nodedata() is just defined for error path of node_hot_add.
*
*/
-static inline pg_data_t *arch_alloc_nodedata(int nid)
-{
- return NULL;
-}
-static inline void arch_free_nodedata(pg_data_t *pgdat)
-{
-}
+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 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 */
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 */