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    Subject[RFC v2][PATCH 08/35] ia64: create ptemap.h
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    Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
    ---

    linux-2.6.git-dave/arch/ia64/include/asm/pgtable.h | 6 ++----
    linux-2.6.git-dave/arch/ia64/include/asm/ptemap.h | 9 +++++++++
    2 files changed, 11 insertions(+), 4 deletions(-)

    diff -puN arch/ia64/include/asm/pgtable.h~ia64-ptemaph arch/ia64/include/asm/pgtable.h
    --- linux-2.6.git/arch/ia64/include/asm/pgtable.h~ia64-ptemaph 2009-04-30 15:10:57.000000000 -0700
    +++ linux-2.6.git-dave/arch/ia64/include/asm/pgtable.h 2009-04-30 15:10:57.000000000 -0700
    @@ -405,10 +405,8 @@ pgd_offset (const struct mm_struct *mm,
    */
    #define pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
    #define pte_offset_kernel(dir,addr) ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr))
    -#define pte_offset_map(dir,addr) pte_offset_kernel(dir, addr)
    -#define pte_offset_map_nested(dir,addr) pte_offset_map(dir, addr)
    -#define pte_unmap(pte) do { } while (0)
    -#define pte_unmap_nested(pte) do { } while (0)
    +
    +#include <asm/ptemap.h>

    /* atomic versions of the some PTE manipulations: */

    diff -puN arch/ia64/include/asm/ptemap.h~ia64-ptemaph arch/ia64/include/asm/ptemap.h
    --- linux-2.6.git/arch/ia64/include/asm/ptemap.h~ia64-ptemaph 2009-04-30 15:10:57.000000000 -0700
    +++ linux-2.6.git-dave/arch/ia64/include/asm/ptemap.h 2009-04-30 15:10:57.000000000 -0700
    @@ -0,0 +1,9 @@
    +#ifndef _IA64_ASM_PTEMAP_H
    +#define _IA64_ASM_PTEMAP_H
    +
    +#define pte_offset_map(dir,addr) pte_offset_kernel(dir, addr)
    +#define pte_offset_map_nested(dir,addr) pte_offset_map(dir, addr)
    +#define pte_unmap(pte) do { } while (0)
    +#define pte_unmap_nested(pte) do { } while (0)
    +
    +#endif /* _IA64_ASM_PTEMAP_H */
    _

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