Messages in this thread Patch in this message | | | Date | Wed, 08 Mar 2006 22:41:44 +0900 | From | Yasunori Goto <> | Subject | [PATCH: 005/017](RFC) Memory hotplug for new nodes v.3. (generic refresh NODE_DATA()) |
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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 <y-goto@jp.fujitsu.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Index: pgdat6/include/linux/memory_hotplug.h =================================================================== --- pgdat6.orig/include/linux/memory_hotplug.h 2006-03-06 19:42:21.000000000 +0900 +++ pgdat6/include/linux/memory_hotplug.h 2006-03-06 19:42:30.000000000 +0900 @@ -87,10 +87,13 @@ static inline int arch_nid_probe(u64 sta */ extern struct pglist_data * 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 /* @@ -109,6 +112,11 @@ static inline void generic_free_nodedata kfree(pgdat); } +static inline void generic_refresh_nodedata(int nid, struct pglist_data *pgdat) +{ + NODE_DATA(nid) = pgdat; +} + #else /* !CONFIG_NUMA */ /* never called */ static inline struct pglist_data *generic_alloc_nodedata(int nid) @@ -119,6 +127,9 @@ static inline struct pglist_data *generi static inline void generic_free_nodedata(struct pglist_data *pgdat) { } +static inline void generic_refresh_nodedata(int nid, struct pglist_data *pgdat) +{ +} #endif /* CONFIG_NUMA */ #endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */ -- Yasunori Goto
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