Merge branch 'release' of master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6

[linux-2.6] / include / asm-mips / page.h

diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index 85b258ee7090737d4864ae068f00833bb8e59f53..0dc1a45c27eda52d0080ae10aecad2e36f33dcb6 100644 (file)
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -34,7 +34,9 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/pfn.h>
 #include <asm/cpu-features.h>
+#include <asm/io.h>
 
 extern void clear_page(void * page);
 extern void copy_page(void * to, void * from);
@@ -134,8 +136,14 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 /* to align the pointer to the (next) page boundary */
 #define PAGE_ALIGN(addr)       (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
 
-#define __pa(x)                        ((unsigned long) (x) - PAGE_OFFSET)
-#define __va(x)                        ((void *)((unsigned long) (x) + PAGE_OFFSET))
+#if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64)
+#define __pa_page_offset(x)    ((unsigned long)(x) < CKSEG0 ? PAGE_OFFSET : CKSEG0)
+#else
+#define __pa_page_offset(x)    PAGE_OFFSET
+#endif
+#define __pa(x)                        ((unsigned long)(x) - __pa_page_offset(x))
+#define __pa_symbol(x)         __pa(RELOC_HIDE((unsigned long)(x),0))
+#define __va(x)                        ((void *)((unsigned long)(x) + PAGE_OFFSET))
 
 #define pfn_to_kaddr(pfn)      __va((pfn) << PAGE_SHIFT)
 
@@ -160,8 +168,8 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 #endif
 
-#define virt_to_page(kaddr)    pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
+#define virt_to_page(kaddr)    pfn_to_page(PFN_DOWN(virt_to_phys(kaddr)))
+#define virt_addr_valid(kaddr) pfn_valid(PFN_DOWN(virt_to_phys(kaddr)))
 
 #define VM_DATA_DEFAULT_FLAGS  (VM_READ | VM_WRITE | VM_EXEC | \
                                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)