/* * 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_DISCONTIGMEM 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_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_DISCONTIGMEM */ # define NR_NODE_MEMBLKS (MAX_NUMNODES * 4) #endif /* CONFIG_DISCONTIGMEM */ #endif /* _ASM_IA64_MMZONE_H */