Messages in this thread Patch in this message | | | Date | Thu, 20 Apr 2006 19:10:16 +0900 | From | Yasunori Goto <> | Subject | [Patch: 004/006] pgdat allocation for new node add (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>
arch/ia64/Kconfig | 4 ++++ include/linux/memory_hotplug.h | 12 ++++++++++++ 2 files changed, 16 insertions(+)
Index: pgdat11/include/linux/memory_hotplug.h =================================================================== --- pgdat11.orig/include/linux/memory_hotplug.h 2006-04-20 11:00:23.000000000 +0900 +++ pgdat11/include/linux/memory_hotplug.h 2006-04-20 11:00:28.000000000 +0900 @@ -91,6 +91,9 @@ static inline pg_data_t * arch_alloc_nod 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 @@ static inline void arch_free_nodedata(pg */ #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 */ @@ -125,6 +134,9 @@ 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 */ Index: pgdat11/arch/ia64/Kconfig =================================================================== --- pgdat11.orig/arch/ia64/Kconfig 2006-04-20 11:00:04.000000000 +0900 +++ pgdat11/arch/ia64/Kconfig 2006-04-20 11:00:28.000000000 +0900 @@ -374,6 +374,10 @@ config HAVE_ARCH_EARLY_PFN_TO_NID def_bool y depends on NEED_MULTIPLE_NODES +config HAVE_ARCH_NODEDATA_EXTENSION + def_bool y + depends on NUMA + config IA32_SUPPORT bool "Support for Linux/x86 binaries" help -- Yasunori Goto
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