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authorTejun Heo <tj@kernel.org>2011-01-23 16:37:41 +0300
committerIngo Molnar <mingo@elte.hu>2011-01-28 16:54:10 +0300
commitde2d9445f1627830ed2ebd00ee9d851986c940b5 (patch)
treef71c90737aefaca45d0e28b904c59660809ea0b3 /arch/x86/include/asm/numa.h
parent645a79195f66eb68ef3ab2b21d9829ac3aa085a9 (diff)
downloadlinux-de2d9445f1627830ed2ebd00ee9d851986c940b5.tar.xz
x86: Unify node_to_cpumask_map handling between 32 and 64bit
x86_32 has been managing node_to_cpumask_map explicitly from map_cpu_to_node() and friends in a rather ugly way. With previous changes, it's now possible to share the code with 64bit. * When CONFIG_NUMA_EMU is disabled, numa_add/remove_cpu() are implemented in numa.c and shared by 32 and 64bit. CONFIG_NUMA_EMU versions still live in numa_64.c. NUMA_EMU's dependency on 64bit is planned to be removed and the above should go away together. * identify_cpu() now calls numa_add_cpu() for 32bit too. This makes the explicit mask management from map_cpu_to_node() unnecessary. * The whole x86_32 specific map_cpu_to_node() chunk is no longer necessary. Dropped. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Pekka Enberg <penberg@kernel.org> Cc: eric.dumazet@gmail.com Cc: yinghai@kernel.org Cc: brgerst@gmail.com Cc: gorcunov@gmail.com Cc: shaohui.zheng@intel.com Cc: rientjes@google.com LKML-Reference: <1295789862-25482-16-git-send-email-tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: David Rientjes <rientjes@google.com> Cc: Shaohui Zheng <shaohui.zheng@intel.com>
Diffstat (limited to 'arch/x86/include/asm/numa.h')
-rw-r--r--arch/x86/include/asm/numa.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/numa.h b/arch/x86/include/asm/numa.h
index 2b21fff9f655..d3964b28b128 100644
--- a/arch/x86/include/asm/numa.h
+++ b/arch/x86/include/asm/numa.h
@@ -1,6 +1,7 @@
#ifndef _ASM_X86_NUMA_H
#define _ASM_X86_NUMA_H
+#include <asm/topology.h>
#include <asm/apicdef.h>
#ifdef CONFIG_NUMA
@@ -33,9 +34,17 @@ static inline void set_apicid_to_node(int apicid, s16 node)
#ifdef CONFIG_NUMA
extern void __cpuinit numa_set_node(int cpu, int node);
extern void __cpuinit numa_clear_node(int cpu);
+extern void __cpuinit numa_add_cpu(int cpu);
+extern void __cpuinit numa_remove_cpu(int cpu);
#else /* CONFIG_NUMA */
static inline void numa_set_node(int cpu, int node) { }
static inline void numa_clear_node(int cpu) { }
+static inline void numa_add_cpu(int cpu) { }
+static inline void numa_remove_cpu(int cpu) { }
#endif /* CONFIG_NUMA */
+#ifdef CONFIG_DEBUG_PER_CPU_MAPS
+struct cpumask __cpuinit *debug_cpumask_set_cpu(int cpu, int enable);
+#endif
+
#endif /* _ASM_X86_NUMA_H */