[PATCH] i386: CONFIG_PHYSICAL_START cleanup

[linux-2.6-omap-h63xx.git] / include / asm-i386 / page.h

diff --git a/include/asm-i386/page.h b/include/asm-i386/page.h
index e3a552fa5538744bd578d6351c8c23756774c782..2b69686107ae8e6fd36641e1d4c2050e5f500568 100644 (file)
--- a/include/asm-i386/page.h
+++ b/include/asm-i386/page.h
@@ -96,6 +96,8 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 #ifndef __ASSEMBLY__
 
+struct vm_area_struct;
+
 /*
  * This much address space is reserved for vmalloc() and iomap()
  * as well as fixmap mappings.
@@ -110,18 +112,18 @@ extern int page_is_ram(unsigned long pagenr);
 
 #ifdef __ASSEMBLY__
 #define __PAGE_OFFSET          CONFIG_PAGE_OFFSET
-#define __PHYSICAL_START       CONFIG_PHYSICAL_START
 #else
 #define __PAGE_OFFSET          ((unsigned long)CONFIG_PAGE_OFFSET)
-#define __PHYSICAL_START       ((unsigned long)CONFIG_PHYSICAL_START)
 #endif
-#define __KERNEL_START         (__PAGE_OFFSET + __PHYSICAL_START)
 
 
 #define PAGE_OFFSET            ((unsigned long)__PAGE_OFFSET)
 #define VMALLOC_RESERVE                ((unsigned long)__VMALLOC_RESERVE)
 #define MAXMEM                 (-__PAGE_OFFSET-__VMALLOC_RESERVE)
 #define __pa(x)                        ((unsigned long)(x)-PAGE_OFFSET)
+/* __pa_symbol should be used for C visible symbols.
+   This seems to be the official gcc blessed way to do such arithmetic. */
+#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)
 #ifdef CONFIG_FLATMEM
@@ -139,6 +141,7 @@ extern int page_is_ram(unsigned long pagenr);
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
+#define __HAVE_ARCH_GATE_AREA 1
 #endif /* __KERNEL__ */
 
 #endif /* _I386_PAGE_H */