#ifdef __KERNEL__
#ifndef __ASSEMBLY__
-#include <linux/config.h>
#ifdef CONFIG_X86_USE_3DNOW
#define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
#define __pmd(x) ((pmd_t) { (x) } )
#define HPAGE_SHIFT 21
+#include <asm-generic/pgtable-nopud.h>
#else
typedef struct { unsigned long pte_low; } pte_t;
typedef struct { unsigned long pgd; } pgd_t;
#define boot_pte_t pte_t /* or would you rather have a typedef */
#define pte_val(x) ((x).pte_low)
#define HPAGE_SHIFT 22
+#include <asm-generic/pgtable-nopmd.h>
#endif
#define PTE_MASK PAGE_MASK
#ifndef __ASSEMBLY__
+struct vm_area_struct;
+
/*
* This much address space is reserved for vmalloc() and iomap()
* as well as fixmap mappings.
*/
extern unsigned int __VMALLOC_RESERVE;
-/* Pure 2^n version of get_order */
-static __inline__ int get_order(unsigned long size)
-{
- int order;
+extern int sysctl_legacy_va_layout;
- size = (size-1) >> (PAGE_SHIFT-1);
- order = -1;
- do {
- size >>= 1;
- order++;
- } while (size);
- return order;
-}
+extern int page_is_ram(unsigned long pagenr);
-extern int sysctl_legacy_va_layout;
+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
+#else
+#define __PAGE_OFFSET ((unsigned long)CONFIG_PAGE_OFFSET)
#endif
+
#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)
+/* __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)
-#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)
((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#include <asm-generic/memory_model.h>
+#include <asm-generic/page.h>
+
+#ifndef CONFIG_COMPAT_VDSO
+#define __HAVE_ARCH_GATE_AREA 1
+#endif
#endif /* __KERNEL__ */
#endif /* _I386_PAGE_H */