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| author | Yasunori Goto <y-goto@jp.fujitsu.com> | 2006-06-27 02:53:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-27 17:32:36 -0700 |
| commit | 10ad400b49aca15ecf83b0fde7e35e4064b15c85 (patch) | |
| tree | 336de747d6839add8ab3a7f70367e87ddbc7d155 | |
| parent | 306d6cbe86e2e6603ac3162e1294d5c75cfdeca6 (diff) | |
| download | linux-stable-10ad400b49aca15ecf83b0fde7e35e4064b15c85.tar.gz linux-stable-10ad400b49aca15ecf83b0fde7e35e4064b15c85.tar.bz2 linux-stable-10ad400b49aca15ecf83b0fde7e35e4064b15c85.zip | |
[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>
| -rw-r--r-- | arch/ia64/Kconfig | 4 | ||||
| -rw-r--r-- | include/linux/memory_hotplug.h | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 18318749884b..a56df7bf022d 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -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 diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index c6fd2c0323fc..569b1f6c27d1 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -91,6 +91,9 @@ static inline pg_data_t *arch_alloc_nodedata(int nid) 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_data_t *pgdat) */ #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 pg_data_t *generic_alloc_nodedata(int nid) 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 */ |