Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

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

diff --git a/include/asm-i386/page.h b/include/asm-i386/page.h
index b414c2f..104653b 100644 (file)
--- a/include/asm-i386/page.h
+++ b/include/asm-i386/page.h
@@ -103,49 +103,38 @@ typedef struct { unsigned long pgprot; } pgprot_t;
  */
 extern unsigned int __VMALLOC_RESERVE;
 
-/* Pure 2^n version of get_order */
-static __inline__ int get_order(unsigned long size)
-{
-       int order;
-
-       size = (size-1) >> (PAGE_SHIFT-1);
-       order = -1;
-       do {
-               size >>= 1;
-               order++;
-       } while (size);
-       return order;
-}
-
 extern int sysctl_legacy_va_layout;
 
+extern int page_is_ram(unsigned long pagenr);
+
+extern int devmem_is_allowed(unsigned long pagenr);
+
 #endif /* __ASSEMBLY__ */
 
-#if   defined(CONFIG_SPLIT_3GB)
-#define __PAGE_OFFSET          (0xC0000000)
-#elif defined(CONFIG_SPLIT_25GB)
-#define __PAGE_OFFSET          (0xA0000000)
-#elif defined(CONFIG_SPLIT_2GB)
-#define __PAGE_OFFSET          (0x80000000)
-#elif defined(CONFIG_SPLIT_15GB)
-#define __PAGE_OFFSET          (0x60000000)
-#elif defined(CONFIG_SPLIT_1GB)
-#define __PAGE_OFFSET          (0x40000000)
+#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)
+
+/*
+ * Under exec-shield we don't use the generic fixmap gate area.
+ * The vDSO ("gate area") has a normal vma found the normal ways.
+ */
+#define __HAVE_ARCH_GATE_AREA  1
 
 #define PAGE_OFFSET            ((unsigned long)__PAGE_OFFSET)
 #define VMALLOC_RESERVE                ((unsigned long)__VMALLOC_RESERVE)
-#define __MAXMEM               (-__PAGE_OFFSET-__VMALLOC_RESERVE)
-#define MAXMEM                 ((unsigned long)(-PAGE_OFFSET-VMALLOC_RESERVE))
-
+#define MAXMEM                 (-__PAGE_OFFSET-__VMALLOC_RESERVE)
 #define __pa(x)                        ((unsigned long)(x)-PAGE_OFFSET)
 #define __va(x)                        ((void *)((unsigned long)(x)+PAGE_OFFSET))
 #define pfn_to_kaddr(pfn)      __va((pfn) << PAGE_SHIFT)
-#ifndef CONFIG_DISCONTIGMEM
-#define pfn_to_page(pfn)       (mem_map + (pfn))
-#define page_to_pfn(page)      ((unsigned long)((page) - mem_map))
+#ifdef CONFIG_FLATMEM
 #define pfn_valid(pfn)         ((pfn) < max_mapnr)
-#endif /* !CONFIG_DISCONTIGMEM */
+#endif /* CONFIG_FLATMEM */
 #define virt_to_page(kaddr)    pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 
 #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
@@ -155,6 +144,11 @@ extern int sysctl_legacy_va_layout;
        ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+
+
 #endif /* __KERNEL__ */
 
+#include <asm-generic/memory_model.h>
+#include <asm-generic/page.h>
+
 #endif /* _I386_PAGE_H */