1*7f30491cSTony Luck /* 2*7f30491cSTony Luck * This file is subject to the terms and conditions of the GNU General Public 3*7f30491cSTony Luck * License. See the file "COPYING" in the main directory of this archive 4*7f30491cSTony Luck * for more details. 5*7f30491cSTony Luck * 6*7f30491cSTony Luck * Copyright (c) 2000,2003 Silicon Graphics, Inc. All rights reserved. 7*7f30491cSTony Luck * Copyright (c) 2002 NEC Corp. 8*7f30491cSTony Luck * Copyright (c) 2002 Erich Focht <efocht@ess.nec.de> 9*7f30491cSTony Luck * Copyright (c) 2002 Kimio Suganuma <k-suganuma@da.jp.nec.com> 10*7f30491cSTony Luck */ 11*7f30491cSTony Luck #ifndef _ASM_IA64_MMZONE_H 12*7f30491cSTony Luck #define _ASM_IA64_MMZONE_H 13*7f30491cSTony Luck 14*7f30491cSTony Luck #include <linux/numa.h> 15*7f30491cSTony Luck #include <asm/page.h> 16*7f30491cSTony Luck #include <asm/meminit.h> 17*7f30491cSTony Luck 18*7f30491cSTony Luck #ifdef CONFIG_NUMA 19*7f30491cSTony Luck 20*7f30491cSTony Luck static inline int pfn_to_nid(unsigned long pfn) 21*7f30491cSTony Luck { 22*7f30491cSTony Luck #ifdef CONFIG_NUMA 23*7f30491cSTony Luck extern int paddr_to_nid(unsigned long); 24*7f30491cSTony Luck int nid = paddr_to_nid(pfn << PAGE_SHIFT); 25*7f30491cSTony Luck if (nid < 0) 26*7f30491cSTony Luck return 0; 27*7f30491cSTony Luck else 28*7f30491cSTony Luck return nid; 29*7f30491cSTony Luck #else 30*7f30491cSTony Luck return 0; 31*7f30491cSTony Luck #endif 32*7f30491cSTony Luck } 33*7f30491cSTony Luck 34*7f30491cSTony Luck #ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID 35*7f30491cSTony Luck extern int early_pfn_to_nid(unsigned long pfn); 36*7f30491cSTony Luck #endif 37*7f30491cSTony Luck 38*7f30491cSTony Luck #ifdef CONFIG_IA64_DIG /* DIG systems are small */ 39*7f30491cSTony Luck # define MAX_PHYSNODE_ID 8 40*7f30491cSTony Luck # define NR_NODE_MEMBLKS (MAX_NUMNODES * 8) 41*7f30491cSTony Luck #else /* sn2 is the biggest case, so we use that if !DIG */ 42*7f30491cSTony Luck # define MAX_PHYSNODE_ID 2048 43*7f30491cSTony Luck # define NR_NODE_MEMBLKS (MAX_NUMNODES * 4) 44*7f30491cSTony Luck #endif 45*7f30491cSTony Luck 46*7f30491cSTony Luck #else /* CONFIG_NUMA */ 47*7f30491cSTony Luck # define NR_NODE_MEMBLKS (MAX_NUMNODES * 4) 48*7f30491cSTony Luck #endif /* CONFIG_NUMA */ 49*7f30491cSTony Luck 50*7f30491cSTony Luck #endif /* _ASM_IA64_MMZONE_H */ 51