Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[linux-2.6-omap-h63xx.git] / include / asm-x86_64 / mmzone.h

diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h
index 69baaa8a3ce0078b5f9226b218bc0944272bc9c4..fb558fb1d21106f17e738ee1400e322397d72890 100644 (file)
--- a/include/asm-x86_64/mmzone.h
+++ b/include/asm-x86_64/mmzone.h
@@ -4,7 +4,6 @@
 #ifndef _ASM_X86_64_MMZONE_H
 #define _ASM_X86_64_MMZONE_H 1
 
-#include <linux/config.h>
 
 #ifdef CONFIG_NUMA
 
@@ -12,18 +11,25 @@
 
 #include <asm/smp.h>
 
-#define NODEMAPSIZE 0xfff
-
 /* Simple perfect hash to map physical addresses to node numbers */
-extern int memnode_shift; 
-extern u8  memnodemap[NODEMAPSIZE]; 
+struct memnode {
+       int shift;
+       unsigned int mapsize;
+       u8 *map;
+       u8 embedded_map[64-16];
+} ____cacheline_aligned; /* total size = 64 bytes */
+extern struct memnode memnode;
+#define memnode_shift memnode.shift
+#define memnodemap memnode.map
+#define memnodemapsize memnode.mapsize
 
 extern struct pglist_data *node_data[];
 
 static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) 
 { 
        unsigned nid; 
-       VIRTUAL_BUG_ON((addr >> memnode_shift) >= NODEMAPSIZE);
+       VIRTUAL_BUG_ON(!memnodemap);
+       VIRTUAL_BUG_ON((addr >> memnode_shift) >= memnodemapsize);
        nid = memnodemap[addr >> memnode_shift]; 
        VIRTUAL_BUG_ON(nid >= MAX_NUMNODES || !node_data[nid]); 
        return nid; 
@@ -36,25 +42,15 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr)
                                 NODE_DATA(nid)->node_spanned_pages)
 
 #ifdef CONFIG_DISCONTIGMEM
-
 #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
-#define kvaddr_to_nid(kaddr)   phys_to_nid(__pa(kaddr))
 
-/* Requires pfn_valid(pfn) to be true */
-#define pfn_to_page(pfn) ({ \
-       int nid = phys_to_nid(((unsigned long)(pfn)) << PAGE_SHIFT);    \
-       ((pfn) - node_start_pfn(nid)) + NODE_DATA(nid)->node_mem_map;   \
-})
-
-#define page_to_pfn(page) \
-       (long)(((page) - page_zone(page)->zone_mem_map) + page_zone(page)->zone_start_pfn)
+extern int pfn_valid(unsigned long pfn);
+#endif
 
-#define pfn_valid(pfn) ((pfn) >= num_physpages ? 0 : \
-                       ({ u8 nid__ = pfn_to_nid(pfn); \
-                          nid__ != 0xff && (pfn) >= node_start_pfn(nid__) && (pfn) < node_end_pfn(nid__); }))
+#ifdef CONFIG_NUMA_EMU
+#define FAKE_NODE_MIN_SIZE     (64*1024*1024)
+#define FAKE_NODE_MIN_HASH_MASK        (~(FAKE_NODE_MIN_SIZE - 1ul))
 #endif
 
-#define local_mapnr(kvaddr) \
-       ( (__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr)) )
 #endif
 #endif