numa_clear_node() function is not implemented under IA64,
it will be called in unmap_cpu_on_node() in mm/memory_hotplug.c.
This cause build error under IA64, this patch add numa_clear_node()
in IA64 to fix this problem.
Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
arch/ia64/include/asm/numa.h | 5 ++---
arch/ia64/mm/numa.c | 5 +++++
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/ia64/include/asm/numa.h b/arch/ia64/include/asm/numa.h
index 2e27ef1..2db0a6c 100644
--- a/arch/ia64/include/asm/numa.h
+++ b/arch/ia64/include/asm/numa.h
@@ -67,14 +67,13 @@ extern int paddr_to_nid(unsigned long paddr);
extern void map_cpu_to_node(int cpu, int nid);
extern void unmap_cpu_from_node(int cpu, int nid);
-
+extern void numa_clear_node(int cpu);
#else /* !CONFIG_NUMA */
#define map_cpu_to_node(cpu, nid) do{}while(0)
#define unmap_cpu_from_node(cpu, nid) do{}while(0)
-
#define paddr_to_nid(addr) 0
-
+#define numa_clear_node(cpu) do { } while (0)
#endif /* CONFIG_NUMA */
#endif /* _ASM_IA64_NUMA_H */
diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
index 3efea7d..9488922 100644
--- a/arch/ia64/mm/numa.c
+++ b/arch/ia64/mm/numa.c
@@ -73,6 +73,11 @@ int __meminit __early_pfn_to_nid(unsigned long pfn)
return -1;
}
+void numa_clear_node(int cpu)
+{
+ unmap_cpu_from_node(cpu, NUMA_NO_NODE);
+}
+
#ifdef CONFIG_MEMORY_HOTPLUG
/*
* SRAT information is stored in node_memblk[], then we can use SRAT
--
1.7.1
--
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