mirror of https://gitee.com/openkylin/linux.git
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
|
/*
|
||
|
|
* 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 */
|