---

yaml
---
r: 79813
b: refs/heads/master
c: 8a423ff
h: refs/heads/master
i:
  79811: add87ad
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4757d7d8d00c5f8b2c176ca03b0a8eabbc206664
+refs/heads/master: 8a423ff0c4a0472607bbed6790fdaeec54af2ebb

trunk/include/asm-x86/mmzone_64.h

@@ -41,6 +41,8 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr)
 #define node_end_pfn(nid)       (NODE_DATA(nid)->node_start_pfn + \
 				 NODE_DATA(nid)->node_spanned_pages)
 
+extern int early_pfn_to_nid(unsigned long pfn);
+
 #ifdef CONFIG_DISCONTIGMEM
 #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
 

trunk/include/asm-x86/sparsemem.h

@@ -1,5 +1,34 @@
+#ifndef _ASM_X86_SPARSEMEM_H
+#define _ASM_X86_SPARSEMEM_H
+
+#ifdef CONFIG_SPARSEMEM
+/*
+ * 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
+ *
+ * SECTION_SIZE_BITS		2^n: size of each section
+ * MAX_PHYSADDR_BITS		2^n: max size of physical address space
+ * MAX_PHYSMEM_BITS		2^n: how much memory we can have in that space
+ *
+ */
+
 #ifdef CONFIG_X86_32
-# include "sparsemem_32.h"
-#else
-# include "sparsemem_64.h"
+# ifdef CONFIG_X86_PAE
+#  define SECTION_SIZE_BITS	30
+#  define MAX_PHYSADDR_BITS	36
+#  define MAX_PHYSMEM_BITS	36
+# else
+#  define SECTION_SIZE_BITS	26
+#  define MAX_PHYSADDR_BITS	32
+#  define MAX_PHYSMEM_BITS	32
+# endif
+#else /* CONFIG_X86_32 */
+# define SECTION_SIZE_BITS	27 /* matt - 128 is convenient right now */
+# define MAX_PHYSADDR_BITS	40
+# define MAX_PHYSMEM_BITS	40
+#endif
+
+#endif /* CONFIG_SPARSEMEM */
 #endif