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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/ia64/include/asm/mmzone.h
Initial import
Diffstat (limited to 'arch/ia64/include/asm/mmzone.h')
-rw-r--r--arch/ia64/include/asm/mmzone.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/mmzone.h b/arch/ia64/include/asm/mmzone.h
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+++ b/arch/ia64/include/asm/mmzone.h
@@ -0,0 +1,42 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2000,2003 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (c) 2002 NEC Corp.
+ * Copyright (c) 2002 Erich Focht <efocht@ess.nec.de>
+ * Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com>
+ */
+#ifndef _ASM_IA64_MMZONE_H
+#define _ASM_IA64_MMZONE_H
+
+#include <linux/numa.h>
+#include <asm/page.h>
+#include <asm/meminit.h>
+
+#ifdef CONFIG_NUMA
+
+static inline int pfn_to_nid(unsigned long pfn)
+{
+ extern int paddr_to_nid(unsigned long);
+ int nid = paddr_to_nid(pfn << PAGE_SHIFT);
+ if (nid < 0)
+ return 0;
+ else
+ return nid;
+}
+
+#ifdef CONFIG_IA64_DIG /* DIG systems are small */
+# define MAX_PHYSNODE_ID 8
+# define NR_NODE_MEMBLKS (MAX_NUMNODES * 8)
+#else /* sn2 is the biggest case, so we use that if !DIG */
+# define MAX_PHYSNODE_ID 2048
+# define NR_NODE_MEMBLKS (MAX_NUMNODES * 4)
+#endif
+
+#else /* CONFIG_NUMA */
+# define NR_NODE_MEMBLKS (MAX_NUMNODES * 4)
+#endif /* CONFIG_NUMA */
+
+#endif /* _ASM_IA64_MMZONE_H */