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authorIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
commit8d7ccaa545490cdffdfaff0842436a8dd85cf47b (patch)
tree8129b5907161bc6ae26deb3645ce1e280c5e1f51 /arch/ia64/include/asm/mmzone.h
parentb2139aa0eec330c711c5a279db361e5ef1178e78 (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/prototypes
Conflicts: include/asm-x86/dma-mapping.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/ia64/include/asm/mmzone.h')
-rw-r--r--arch/ia64/include/asm/mmzone.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/mmzone.h b/arch/ia64/include/asm/mmzone.h
new file mode 100644
index 000000000000..34efe88eb849
--- /dev/null
+++ b/arch/ia64/include/asm/mmzone.h
@@ -0,0 +1,50 @@
+/*
+ * 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)
+{
+#ifdef CONFIG_NUMA
+ extern int paddr_to_nid(unsigned long);
+ int nid = paddr_to_nid(pfn << PAGE_SHIFT);
+ if (nid < 0)
+ return 0;
+ else
+ return nid;
+#else
+ return 0;
+#endif
+}
+
+#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
+extern int early_pfn_to_nid(unsigned long pfn);
+#endif
+
+#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 */