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authorJeff Garzik <jgarzik@pobox.com>2005-11-11 23:39:35 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-11 23:39:35 -0500
commitf4256e301d9800b1e0276404cb01b3ac85b51067 (patch)
tree975f56627b78f757608b31684311a24ca1478481 /include/asm-ppc64/mmzone.h
parentfb2a26b9f8f5eda6b96ba9753edf105e5999d6d9 (diff)
parentcd52d1ee9a92587b242d946a2300a3245d3b885a (diff)
Merge branch 'master'
Diffstat (limited to 'include/asm-ppc64/mmzone.h')
-rw-r--r--include/asm-ppc64/mmzone.h65
1 files changed, 5 insertions, 60 deletions
diff --git a/include/asm-ppc64/mmzone.h b/include/asm-ppc64/mmzone.h
index 80a708e7093..54958d6cae0 100644
--- a/include/asm-ppc64/mmzone.h
+++ b/include/asm-ppc64/mmzone.h
@@ -8,15 +8,14 @@
#define _ASM_MMZONE_H_
#include <linux/config.h>
-#include <asm/smp.h>
-/* generic non-linear memory support:
+/*
+ * 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[];
@@ -30,36 +29,11 @@ extern struct pglist_data *node_data[];
*/
extern int numa_cpu_lookup_table[];
-extern char *numa_memory_lookup_table;
extern cpumask_t numa_cpumask_lookup_table[];
-extern int nr_cpus_in_node[];
-
-/* 16MB regions */
-#define MEMORY_INCREMENT_SHIFT 24
-#define MEMORY_INCREMENT (1UL << MEMORY_INCREMENT_SHIFT)
-
-/* NUMA debugging, will not work on a DLPAR machine */
-#undef DEBUG_NUMA
-
-static inline int pa_to_nid(unsigned long pa)
-{
- int nid;
-
- nid = numa_memory_lookup_table[pa >> MEMORY_INCREMENT_SHIFT];
-
-#ifdef DEBUG_NUMA
- /* the physical address passed in is not in the map for the system */
- if (nid == -1) {
- printk("bad address: %lx\n", pa);
- BUG();
- }
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern unsigned long max_pfn;
#endif
- return nid;
-}
-
-#define node_localnr(pfn, nid) ((pfn) - NODE_DATA(nid)->node_start_pfn)
-
/*
* Following are macros that each numa implmentation must define.
*/
@@ -67,39 +41,10 @@ static inline int pa_to_nid(unsigned long pa)
#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
#define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn)
-#ifdef CONFIG_DISCONTIGMEM
-
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define kvaddr_to_nid(kaddr) pa_to_nid(__pa(kaddr))
-
-#define pfn_to_nid(pfn) pa_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
-
-/* Written this way to avoid evaluating arguments twice */
-#define discontigmem_pfn_to_page(pfn) \
-({ \
- unsigned long __tmp = pfn; \
- (NODE_DATA(pfn_to_nid(__tmp))->node_mem_map + \
- node_localnr(__tmp, pfn_to_nid(__tmp))); \
-})
-
-#define discontigmem_page_to_pfn(p) \
-({ \
- struct page *__tmp = p; \
- (((__tmp) - page_zone(__tmp)->zone_mem_map) + \
- page_zone(__tmp)->zone_start_pfn); \
-})
-
-/* XXX fix for discontiguous physical memory */
-#define discontigmem_pfn_valid(pfn) ((pfn) < num_physpages)
-
-#endif /* CONFIG_DISCONTIGMEM */
-
#endif /* CONFIG_NEED_MULTIPLE_NODES */
#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
-#define early_pfn_to_nid(pfn) pa_to_nid(((unsigned long)pfn) << PAGE_SHIFT)
+extern int __init early_pfn_to_nid(unsigned long pfn);
#endif
#endif /* _ASM_MMZONE_H_ */