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authorRusty Russell <rusty@rustcorp.com.au>2008-12-31 23:05:57 +1030
committerRusty Russell <rusty@rustcorp.com.au>2008-12-31 23:05:57 +1030
commit2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch)
tree726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /arch/arm/include/asm/page.h
parente12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff)
parent6a94cb73064c952255336cc57731904174b2c58f (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: arch/x86/kernel/io_apic.c
Diffstat (limited to 'arch/arm/include/asm/page.h')
-rw-r--r--arch/arm/include/asm/page.h32
1 files changed, 19 insertions, 13 deletions
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index bed1c0a0036..f341c9dbd66 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -108,32 +108,38 @@
#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) memzero((void *)(page), PAGE_SIZE)
+#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, const void *from);
#undef STRICT_MM_TYPECHECKS