X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fpgtable.h;h=10f52743f4ffec1e6bec9636a8920f5cd5ca60c3;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=e38931379a723541eeb2504df1195b36622ec191;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h
index e38931379..10f52743f 100644
--- a/include/asm-powerpc/pgtable.h
+++ b/include/asm-powerpc/pgtable.h
@@ -12,7 +12,6 @@
  */
 
 #ifndef __ASSEMBLY__
-#include <linux/config.h>
 #include <linux/stddef.h>
 #include <asm/processor.h>		/* For TASK_SIZE */
 #include <asm/mmu.h>
@@ -47,8 +46,8 @@ struct mm_struct;
 /*
  * Define the address range of the vmalloc VM area.
  */
-#define VMALLOC_START (0xD000000000000000ul)
-#define VMALLOC_SIZE  (0x80000000000UL)
+#define VMALLOC_START ASM_CONST(0xD000000000000000)
+#define VMALLOC_SIZE  ASM_CONST(0x80000000000)
 #define VMALLOC_END   (VMALLOC_START + VMALLOC_SIZE)
 
 /*
@@ -188,20 +187,26 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
 #define pte_pfn(x)		((unsigned long)((pte_val(x)>>PTE_RPN_SHIFT)))
 #define pte_page(x)		pfn_to_page(pte_pfn(x))
 
+#define PMD_BAD_BITS		(PTE_TABLE_SIZE-1)
+#define PUD_BAD_BITS		(PMD_TABLE_SIZE-1)
+
 #define pmd_set(pmdp, pmdval) 	(pmd_val(*(pmdp)) = (pmdval))
 #define pmd_none(pmd)		(!pmd_val(pmd))
-#define	pmd_bad(pmd)		(pmd_val(pmd) == 0)
+#define	pmd_bad(pmd)		(!is_kernel_addr(pmd_val(pmd)) \
+				 || (pmd_val(pmd) & PMD_BAD_BITS))
 #define	pmd_present(pmd)	(pmd_val(pmd) != 0)
 #define	pmd_clear(pmdp)		(pmd_val(*(pmdp)) = 0)
-#define pmd_page_kernel(pmd)	(pmd_val(pmd) & ~PMD_MASKED_BITS)
-#define pmd_page(pmd)		virt_to_page(pmd_page_kernel(pmd))
+#define pmd_page_vaddr(pmd)	(pmd_val(pmd) & ~PMD_MASKED_BITS)
+#define pmd_page(pmd)		virt_to_page(pmd_page_vaddr(pmd))
 
 #define pud_set(pudp, pudval)	(pud_val(*(pudp)) = (pudval))
 #define pud_none(pud)		(!pud_val(pud))
-#define pud_bad(pud)		((pud_val(pud)) == 0)
+#define	pud_bad(pud)		(!is_kernel_addr(pud_val(pud)) \
+				 || (pud_val(pud) & PUD_BAD_BITS))
 #define pud_present(pud)	(pud_val(pud) != 0)
 #define pud_clear(pudp)		(pud_val(*(pudp)) = 0)
-#define pud_page(pud)		(pud_val(pud) & ~PUD_MASKED_BITS)
+#define pud_page_vaddr(pud)	(pud_val(pud) & ~PUD_MASKED_BITS)
+#define pud_page(pud)		virt_to_page(pud_page_vaddr(pud))
 
 #define pgd_set(pgdp, pudp)	({pgd_val(*(pgdp)) = (unsigned long)(pudp);})
 
@@ -215,10 +220,10 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
 #define pgd_offset(mm, address)	 ((mm)->pgd + pgd_index(address))
 
 #define pmd_offset(pudp,addr) \
-  (((pmd_t *) pud_page(*(pudp))) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)))
+  (((pmd_t *) pud_page_vaddr(*(pudp))) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)))
 
 #define pte_offset_kernel(dir,addr) \
-  (((pte_t *) pmd_page_kernel(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
+  (((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
 
 #define pte_offset_map(dir,addr)	pte_offset_kernel((dir), (addr))
 #define pte_offset_map_nested(dir,addr)	pte_offset_kernel((dir), (addr))
@@ -408,12 +413,6 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 		flush_tlb_pending();
 	}
 	pte = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS);
-
-#ifdef CONFIG_PPC_64K_PAGES
-	if (mmu_virtual_psize != MMU_PAGE_64K)
-		pte = __pte(pte_val(pte) | _PAGE_COMBO);
-#endif /* CONFIG_PPC_64K_PAGES */
-
 	*ptep = pte;
 }
 
@@ -468,11 +467,6 @@ extern pgd_t swapper_pg_dir[];
 
 extern void paging_init(void);
 
-#ifdef CONFIG_HUGETLB_PAGE
-#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) \
-	free_pgd_range(tlb, addr, end, floor, ceiling)
-#endif
-
 /*
  * This gets called at the end of handling a page fault, when
  * the kernel has put a new PTE into the page table for the process.