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-rw-r--r--include/asm-x86_64/bitops.h2
-rw-r--r--include/asm-x86_64/sparsemem.h26
2 files changed, 26 insertions, 2 deletions
diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index 5dd7727..a31bb99 100644
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -411,8 +411,6 @@ static __inline__ int ffs(int x)
/* find last set bit */
#define fls(x) generic_fls(x)
-#define ARCH_HAS_ATOMIC_UNSIGNED 1
-
#endif /* __KERNEL__ */
#endif /* _X86_64_BITOPS_H */
diff --git a/include/asm-x86_64/sparsemem.h b/include/asm-x86_64/sparsemem.h
new file mode 100644
index 0000000..dabb167
--- /dev/null
+++ b/include/asm-x86_64/sparsemem.h
@@ -0,0 +1,26 @@
+#ifndef _ASM_X86_64_SPARSEMEM_H
+#define _ASM_X86_64_SPARSEMEM_H 1
+
+#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
+ *
+ */
+
+#define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */
+#define MAX_PHYSADDR_BITS 40
+#define MAX_PHYSMEM_BITS 40
+
+extern int early_pfn_to_nid(unsigned long pfn);
+
+#endif /* CONFIG_SPARSEMEM */
+
+#endif /* _ASM_X86_64_SPARSEMEM_H */
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