x86_64: x86_64 - Use non locked version for local_cmpxchg()

[linux-2.6-omap-h63xx.git] / include / asm-sh / mmzone.h

diff --git a/include/asm-sh/mmzone.h b/include/asm-sh/mmzone.h
index 0e7406601fdf811e023de29c4969dba295a84c02..7969f381dff2122133ac1f8ad4a399dc2124bc82 100644 (file)
--- a/include/asm-sh/mmzone.h
+++ b/include/asm-sh/mmzone.h
@@ -1,61 +1,46 @@
-/*
- *  linux/include/asm-sh/mmzone.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 #ifndef __ASM_SH_MMZONE_H
 #define __ASM_SH_MMZONE_H
 
-#include <linux/config.h>
+#ifdef __KERNEL__
 
-#ifdef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+extern struct pglist_data *node_data[];
+#define NODE_DATA(nid)         (node_data[nid])
 
-/* Currently, just for HP690 */
-#define PHYSADDR_TO_NID(phys)  ((((phys) - __MEMORY_START) >= 0x01000000)?1:0)
+#define node_start_pfn(nid)    (NODE_DATA(nid)->node_start_pfn)
+#define node_end_pfn(nid)      (NODE_DATA(nid)->node_start_pfn + \
+                                NODE_DATA(nid)->node_spanned_pages)
 
-extern pg_data_t discontig_page_data[MAX_NUMNODES];
-extern bootmem_data_t discontig_node_bdata[MAX_NUMNODES];
-
-/*
- * 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)   PHYSADDR_TO_NID(__pa(kaddr))
+static inline int pfn_to_nid(unsigned long pfn)
+{
+       int nid;
 
-/*
- * Return a pointer to the node data for node n.
- */
-#define NODE_DATA(nid)         (&discontig_page_data[nid])
+       for (nid = 0; nid < MAX_NUMNODES; nid++)
+               if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
+                       break;
 
-/*
- * NODE_MEM_MAP gives the kaddr for the mem_map of the node.
- */
-#define NODE_MEM_MAP(nid)      (NODE_DATA(nid)->node_mem_map)
+       return nid;
+}
 
-#define phys_to_page(phys)                                             \
-({ unsigned int node = PHYSADDR_TO_NID(phys);                          \
-   NODE_MEM_MAP(node)                                                  \
-     + (((phys) - NODE_DATA(node)->node_start_paddr) >> PAGE_SHIFT); })
+static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
+{
+       return NODE_DATA(pfn_to_nid(pfn));
+}
 
-static inline int is_valid_page(struct page *page)
+/* arch/sh/mm/numa.c */
+void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
+#else
+static inline void
+setup_bootmem_node(int nid, unsigned long start, unsigned long end)
 {
-       unsigned int i;
-
-       for (i = 0; i < MAX_NUMNODES; i++) {
-               if (page >= NODE_MEM_MAP(i) &&
-                   page < NODE_MEM_MAP(i) + NODE_DATA(i)->node_size)
-                       return 1;
-       }
-       return 0;
 }
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
+
+/* Platform specific mem init */
+void __init plat_mem_setup(void);
 
-#define VALID_PAGE(page)       is_valid_page(page)
-#define page_to_phys(page)     PHYSADDR(page_address(page))
+/* arch/sh/kernel/setup.c */
+void __init setup_bootmem_allocator(unsigned long start_pfn);
 
-#endif /* CONFIG_DISCONTIGMEM */
-#endif
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_MMZONE_H */