mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-22 00:40:03 +00:00
![KAMEZAWA Hiroyuki](/assets/img/avatar_default.png)
MIPS can use generic funcs. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
30 lines
732 B
C
30 lines
732 B
C
/*
|
|
* 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 <linux/config.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_ */
|