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Commit 655a0443 authored by KAMEZAWA Hiroyuki's avatar KAMEZAWA Hiroyuki Committed by Linus Torvalds
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[PATCH] unify pfn_to_page: xtensa pfn_to_page 



xtensa can use generic funcs.

Signed-off-by: default avatarKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent e6009f1b

include/asm-xtensa/page.h

+2 −4
Original line number Diff line number Diff line
@@ -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 */