[PATCH] unify pfn_to_page: xtensa pfn_to_page

xtensa can use generic funcs.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
KAMEZAWA Hiroyuki 2006-03-27 01:15:52 -08:00 committed by Linus Torvalds
parent e6009f1ba5
commit 655a044347
1 changed files with 2 additions and 4 deletions

View File

@ -109,10 +109,7 @@ void copy_user_page(void *to,void* from,unsigned long vaddr,struct page* page);
#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
#define pfn_valid(pfn) ((unsigned long)pfn < max_mapnr)
#ifndef CONFIG_DISCONTIGMEM
# define pfn_to_page(pfn) (mem_map + (pfn))
# define page_to_pfn(page) ((unsigned long)((page) - mem_map))
#else
#ifdef CONFIG_DISCONTIGMEM
# error CONFIG_DISCONTIGMEM not supported
#endif
@ -130,4 +127,5 @@ void copy_user_page(void *to,void* from,unsigned long vaddr,struct page* page);
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#endif /* __KERNEL__ */
#include <asm-generic/memory_model.h>
#endif /* _XTENSA_PAGE_H */