Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / ia64 / include / asm / sparsemem.h

diff --git a/kernel/arch/ia64/include/asm/sparsemem.h b/kernel/arch/ia64/include/asm/sparsemem.h
new file mode 100644 (file)
index 0000000..67a7c40
--- /dev/null
+++ b/kernel/arch/ia64/include/asm/sparsemem.h
@@ -0,0 +1,20 @@
+#ifndef _ASM_IA64_SPARSEMEM_H
+#define _ASM_IA64_SPARSEMEM_H
+
+#ifdef CONFIG_SPARSEMEM
+/*
+ * SECTION_SIZE_BITS            2^N: how big each section will be
+ * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
+ */
+
+#define SECTION_SIZE_BITS      (30)
+#define MAX_PHYSMEM_BITS       (50)
+#ifdef CONFIG_FORCE_MAX_ZONEORDER
+#if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS)
+#undef SECTION_SIZE_BITS
+#define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT)
+#endif
+#endif
+
+#endif /* CONFIG_SPARSEMEM */
+#endif /* _ASM_IA64_SPARSEMEM_H */