Merge branch 'highmem' into devel

Conflicts:

	arch/arm/mach-clps7500/include/mach/memory.h

3 files changed, 27 insertions, 16 deletions

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 77764301844b..0202a7c20e62 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -112,10 +112,8 @@
  * private definitions which should NOT be used outside memory.h
  * files.  Use virt_to_phys/phys_to_virt/__pa/__va instead.
  */
-#ifndef __virt_to_phys
 #define __virt_to_phys(x)       ((x) - PAGE_OFFSET + PHYS_OFFSET)
 #define __phys_to_virt(x)       ((x) - PHYS_OFFSET + PAGE_OFFSET)
-#endif
 
 /*
  * Convert a physical address to a Page Frame Number and back
@@ -180,6 +178,11 @@ static inline void *phys_to_virt(unsigned long x)
  * memory.  Use of these is *deprecated* (and that doesn't mean
  * use the __ prefixed forms instead.)  See dma-mapping.h.
  */
+#ifndef __virt_to_bus
+#define __virt_to_bus   __virt_to_phys
+#define __bus_to_virt   __phys_to_virt
+#endif
+
 static inline __deprecated unsigned long virt_to_bus(void *x)
 {
         return __virt_to_bus((unsigned long)x);
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index 5fee45e23038..f341c9dbd662 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -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);
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index a65413ba121d..f2cd18a0932b 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -209,9 +209,11 @@ struct meminfo {
         struct membank bank[NR_BANKS];
 };
 
+extern struct meminfo meminfo;
+
 #define for_each_nodebank(iter,mi,no)                   \
-        for (iter = 0; iter < mi->nr_banks; iter++)     \
-                if (mi->bank[iter].node == no)
+        for (iter = 0; iter < (mi)->nr_banks; iter++)   \
+                if ((mi)->bank[iter].node == no)
 
 #define bank_pfn_start(bank)    __phys_to_pfn((bank)->start)
 #define bank_pfn_end(bank)      __phys_to_pfn((bank)->start + (bank)->size)