blob: e132975256b2ed5b35dfa0323f5adc1bf31f42a6 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
/*
* Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
* Rewritten for Linux 2.6 by Christoph Hellwig (hch@lst.de) Jan 2004
*/
#ifndef _ASM_MMZONE_H_
#define _ASM_MMZONE_H_
#include <asm/page.h>
#include <mmzone.h>
#ifdef CONFIG_DISCONTIGMEM
#define kvaddr_to_nid(kvaddr) pa_to_nid(__pa(kvaddr))
#define pfn_to_nid(pfn) pa_to_nid((pfn) << PAGE_SHIFT)
#define pfn_valid(pfn) \
({ \
unsigned long __pfn = (pfn); \
int __n = pfn_to_nid(__pfn); \
((__n >= 0) ? (__pfn < NODE_DATA(__n)->node_start_pfn + \
NODE_DATA(__n)->node_spanned_pages) : 0);\
})
/* XXX: FIXME -- wli */
#define kern_addr_valid(addr) (0)
#endif /* CONFIG_DISCONTIGMEM */
#endif /* _ASM_MMZONE_H_ */
|
