| /* |
| * 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 */ |