提交 655a0443 编写于 作者: K KAMEZAWA Hiroyuki 提交者: Linus Torvalds

[PATCH] unify pfn_to_page: xtensa pfn_to_page

xtensa can use generic funcs.
Signed-off-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 e6009f1b
......@@ -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 */
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册