[PATCH] i4l: Gigaset drivers: add IOCTLs to compat_ioctl.h

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

diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 174a3cda8c2605fe1b0c7c5c425bcea293eb948c..a36ca1be17f25b829a171c7a475c0be54ed3e757 100644 (file)
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -8,7 +8,6 @@
 #ifndef _ASM_PGTABLE_H
 #define _ASM_PGTABLE_H
 
-#include <linux/config.h>
 #ifdef CONFIG_32BIT
 #include <asm/pgtable-32.h>
 #endif
@@ -70,7 +69,15 @@ extern unsigned long zero_page_mask;
 #define ZERO_PAGE(vaddr) \
        (virt_to_page(empty_zero_page + (((unsigned long)(vaddr)) & zero_page_mask)))
 
-#define __HAVE_ARCH_MULTIPLE_ZERO_PAGE
+#define __HAVE_ARCH_MOVE_PTE
+#define move_pte(pte, prot, old_addr, new_addr)                                \
+({                                                                     \
+       pte_t newpte = (pte);                                           \
+       if (pte_present(pte) && pfn_valid(pte_pfn(pte)) &&              \
+                       pte_page(pte) == ZERO_PAGE(old_addr))           \
+               newpte = mk_pte(ZERO_PAGE(new_addr), (prot));           \
+       newpte;                                                         \
+})
 
 extern void paging_init(void);
 
@@ -345,8 +352,9 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot)
 #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-       pte.pte_low &= _PAGE_CHG_MASK;
-       pte.pte_low |= pgprot_val(newprot);
+       pte.pte_low  &= _PAGE_CHG_MASK;
+       pte.pte_high &= ~0x3f;
+       pte.pte_low  |= pgprot_val(newprot);
        pte.pte_high |= pgprot_val(newprot) & 0x3f;
        return pte;
 }
@@ -370,9 +378,7 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
        __update_cache(vma, address, pte);
 }
 
-#ifndef CONFIG_NEED_MULTIPLE_NODES
 #define kern_addr_valid(addr)  (1)
-#endif
 
 #ifdef CONFIG_64BIT_PHYS_ADDR
 extern int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot);