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Merge branch 'highmem' into devel

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Conflicts:

	arch/arm/mach-clps7500/include/mach/memory.h
This commit is contained in:
Russell King
2008-11-28 15:39:02 +00:00
committed by Russell King
parent f412b09f4e b5ee900258
commit 7ef4de17cc
68 changed files with 772 additions and 1255 deletions
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30
arch/arm/include/asm/page.h
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@@ -108,30 +108,36 @@
#error Unknown user operations model
#endif
struct page;
struct cpu_user_fns {
void (*cpu_clear_user_page)(void *p, unsigned long user);
void (*cpu_copy_user_page)(void *to, const void *from,
unsigned long user);
void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr);
void (*cpu_copy_user_highpage)(struct page *to, struct page *from,
unsigned long vaddr);
};
#ifdef MULTI_USER
extern struct cpu_user_fns cpu_user;
#define __cpu_clear_user_page cpu_user.cpu_clear_user_page
#define __cpu_copy_user_page cpu_user.cpu_copy_user_page
#define __cpu_clear_user_highpage cpu_user.cpu_clear_user_highpage
#define __cpu_copy_user_highpage cpu_user.cpu_copy_user_highpage
#else
#define __cpu_clear_user_page __glue(_USER,_clear_user_page)
#define __cpu_copy_user_page __glue(_USER,_copy_user_page)
#define __cpu_clear_user_highpage __glue(_USER,_clear_user_highpage)
#define __cpu_copy_user_highpage __glue(_USER,_copy_user_highpage)
extern void __cpu_clear_user_page(void *p, unsigned long user);
extern void __cpu_copy_user_page(void *to, const void *from,
unsigned long user);
extern void __cpu_clear_user_highpage(struct page *page, unsigned long vaddr);
extern void __cpu_copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr);
#endif
#define clear_user_page(addr,vaddr,pg) __cpu_clear_user_page(addr, vaddr)
#define copy_user_page(to,from,vaddr,pg) __cpu_copy_user_page(to, from, vaddr)
#define clear_user_highpage(page,vaddr) \
__cpu_clear_user_highpage(page, vaddr)
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
#define copy_user_highpage(to,from,vaddr,vma) \
__cpu_copy_user_highpage(to, from, vaddr)
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, const void *from);