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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-04 17:25:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-04 17:25:06 -0700
commit2acb802b0c5485aedb46e23b2b45e49573454c09 (patch)
tree82afbba3d073ce903cb737412b6eccdf8adab4b5 /arch/powerpc/include/asm/mmzone.h
parentd8f4b819c3a5b54a978c6fe5249a17cff490c4a1 (diff)
parent9c4cb82515130c62224e23fdf7c13c8f6c59c614 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: powerpc: Remove use of CONFIG_PPC_MERGE powerpc: Force printing of 'total_memory' to unsigned long long powerpc: Fix compiler warning in arch/powerpc/mm/mem.c powerpc: Move include files to arch/powerpc/include/asm
Diffstat (limited to 'arch/powerpc/include/asm/mmzone.h')
-rw-r--r--arch/powerpc/include/asm/mmzone.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h
new file mode 100644
index 00000000000..19f299b7e25
--- /dev/null
+++ b/arch/powerpc/include/asm/mmzone.h
@@ -0,0 +1,47 @@
+/*
+ * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
+ *
+ * PowerPC64 port:
+ * Copyright (C) 2002 Anton Blanchard, IBM Corp.
+ */
+#ifndef _ASM_MMZONE_H_
+#define _ASM_MMZONE_H_
+#ifdef __KERNEL__
+
+
+/*
+ * generic non-linear memory support:
+ *
+ * 1) we will not split memory into more chunks than will fit into the
+ * flags field of the struct page
+ */
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+
+extern struct pglist_data *node_data[];
+/*
+ * Return a pointer to the node data for node n.
+ */
+#define NODE_DATA(nid) (node_data[nid])
+
+/*
+ * Following are specific to this numa platform.
+ */
+
+extern int numa_cpu_lookup_table[];
+extern cpumask_t numa_cpumask_lookup_table[];
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern unsigned long max_pfn;
+#endif
+
+/*
+ * Following are macros that each numa implmentation must define.
+ */
+
+#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
+#define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn)
+
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_MMZONE_H_ */