X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-i386%2Fmmzone.h;h=e33e9f9e4c6606b2b86d0cacdff42ba72f32944c;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=13830ae67caca65fc5250ce7d425689ad6bde0dd;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h
index 13830ae67..e33e9f9e4 100644
--- a/include/asm-i386/mmzone.h
+++ b/include/asm-i386/mmzone.h
@@ -8,21 +8,43 @@
 
 #include <asm/smp.h>
 
-#ifdef CONFIG_DISCONTIGMEM
-
 #ifdef CONFIG_NUMA
-	#ifdef CONFIG_X86_NUMAQ
-		#include <asm/numaq.h>
-	#else	/* summit or generic arch */
-		#include <asm/srat.h>
-	#endif
+extern struct pglist_data *node_data[];
+#define NODE_DATA(nid)	(node_data[nid])
+
+#ifdef CONFIG_X86_NUMAQ
+	#include <asm/numaq.h>
+#else	/* summit or generic arch */
+	#include <asm/srat.h>
+#endif
+
+extern int get_memcfg_numa_flat(void );
+/*
+ * This allows any one NUMA architecture to be compiled
+ * for, and still fall back to the flat function if it
+ * fails.
+ */
+static inline void get_memcfg_numa(void)
+{
+#ifdef CONFIG_X86_NUMAQ
+	if (get_memcfg_numaq())
+		return;
+#elif defined(CONFIG_ACPI_SRAT)
+	if (get_memcfg_from_srat())
+		return;
+#endif
+
+	get_memcfg_numa_flat();
+}
+
+extern int early_pfn_to_nid(unsigned long pfn);
+
 #else /* !CONFIG_NUMA */
-	#define get_memcfg_numa get_memcfg_numa_flat
-	#define get_zholes_size(n) (0)
+#define get_memcfg_numa get_memcfg_numa_flat
+#define get_zholes_size(n) (0)
 #endif /* CONFIG_NUMA */
 
-extern struct pglist_data *node_data[];
-#define NODE_DATA(nid)		(node_data[nid])
+#ifdef CONFIG_DISCONTIGMEM
 
 /*
  * generic node memory support, the following assumptions apply:
@@ -48,38 +70,10 @@ static inline int pfn_to_nid(unsigned long pfn)
 #endif
 }
 
-/*
- * Following are macros that are specific to this numa platform.
- */
-#define reserve_bootmem(addr, size) \
-	reserve_bootmem_node(NODE_DATA(0), (addr), (size))
-#define alloc_bootmem(x) \
-	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
-#define alloc_bootmem_low(x) \
-	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0)
-#define alloc_bootmem_pages(x) \
-	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
-#define alloc_bootmem_low_pages(x) \
-	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
-#define alloc_bootmem_node(ignore, x) \
-	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
-#define alloc_bootmem_pages_node(ignore, x) \
-	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
-#define alloc_bootmem_low_pages_node(ignore, x) \
-	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
-
-#define node_localnr(pfn, nid)		((pfn) - node_data[nid]->node_start_pfn)
-
 /*
  * Following are macros that each numa implmentation must define.
  */
 
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define kvaddr_to_nid(kaddr)	pfn_to_nid(__pa(kaddr) >> PAGE_SHIFT)
-
-#define node_mem_map(nid)	(NODE_DATA(nid)->node_mem_map)
 #define node_start_pfn(nid)	(NODE_DATA(nid)->node_start_pfn)
 #define node_end_pfn(nid)						\
 ({									\
@@ -87,30 +81,9 @@ static inline int pfn_to_nid(unsigned long pfn)
 	__pgdat->node_start_pfn + __pgdat->node_spanned_pages;		\
 })
 
-#define local_mapnr(kvaddr)						\
-({									\
-	unsigned long __pfn = __pa(kvaddr) >> PAGE_SHIFT;		\
-	(__pfn - node_start_pfn(pfn_to_nid(__pfn)));			\
-})
-
 /* XXX: FIXME -- wli */
 #define kern_addr_valid(kaddr)	(0)
 
-#define pfn_to_page(pfn)						\
-({									\
-	unsigned long __pfn = pfn;					\
-	int __node  = pfn_to_nid(__pfn);				\
-	&node_mem_map(__node)[node_localnr(__pfn,__node)];		\
-})
-
-#define page_to_pfn(pg)							\
-({									\
-	struct page *__page = pg;					\
-	struct zone *__zone = page_zone(__page);			\
-	(unsigned long)(__page - __zone->zone_mem_map)			\
-		+ __zone->zone_start_pfn;				\
-})
-
 #ifdef CONFIG_X86_NUMAQ            /* we have contiguous memory on NUMA-Q */
 #define pfn_valid(pfn)          ((pfn) < num_physpages)
 #else
@@ -122,26 +95,32 @@ static inline int pfn_valid(int pfn)
 		return (pfn < node_end_pfn(nid));
 	return 0;
 }
-#endif
+#endif /* CONFIG_X86_NUMAQ */
+
+#endif /* CONFIG_DISCONTIGMEM */
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
 
-extern int get_memcfg_numa_flat(void );
 /*
- * This allows any one NUMA architecture to be compiled
- * for, and still fall back to the flat function if it
- * fails.
+ * Following are macros that are specific to this numa platform.
  */
-static inline void get_memcfg_numa(void)
-{
-#ifdef CONFIG_X86_NUMAQ
-	if (get_memcfg_numaq())
-		return;
-#elif CONFIG_ACPI_SRAT
-	if (get_memcfg_from_srat())
-		return;
-#endif
+#define reserve_bootmem(addr, size) \
+	reserve_bootmem_node(NODE_DATA(0), (addr), (size))
+#define alloc_bootmem(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0)
+#define alloc_bootmem_pages(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low_pages(x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
+#define alloc_bootmem_node(ignore, x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_pages_node(ignore, x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_low_pages_node(ignore, x) \
+	__alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0)
 
-	get_memcfg_numa_flat();
-}
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
 
-#endif /* CONFIG_DISCONTIGMEM */
 #endif /* _ASM_MMZONE_H_ */