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x86/mm: Convert update_mmu_cache() and update_mmu_cache_pmd() to functions

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Converting macros to functions unhide type problems before
changes will be integrated and trigger problems on other
architectures.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Kirill A. Shutemov 2012-12-18 12:22:18 -08:00 committed by Ingo Molnar
parent d59fe3f13d
commit 602e018607
3 changed files with 12 additions and 10 deletions
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12
arch/x86/include/asm/pgtable.h
View File

@ -781,6 +781,18 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
memcpy(dst, src, count * sizeof(pgd_t));
}
/*
* The x86 doesn't have any external MMU info: the kernel page
* tables contain all the necessary information.
*/
static inline void update_mmu_cache(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
}
static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
unsigned long addr, pmd_t *pmd)
{
}
#include <asm-generic/pgtable.h>
#endif /* __ASSEMBLY__ */

7
arch/x86/include/asm/pgtable_32.h
View File

@ -66,13 +66,6 @@ do { \
__flush_tlb_one((vaddr)); \
} while (0)
/*
* The i386 doesn't have any external MMU info: the kernel page
* tables contain all the necessary information.
*/
#define update_mmu_cache(vma, address, ptep) do { } while (0)
#define update_mmu_cache_pmd(vma, address, pmd) do { } while (0)
#endif /* !__ASSEMBLY__ */
/*

3
arch/x86/include/asm/pgtable_64.h
View File

@ -142,9 +142,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
#define pte_offset_map(dir, address) pte_offset_kernel((dir), (address))
#define pte_unmap(pte) ((void)(pte))/* NOP */
#define update_mmu_cache(vma, address, ptep) do { } while (0)
#define update_mmu_cache_pmd(vma, address, pmd) do { } while (0)
/* Encode and de-code a swap entry */
#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE
#define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1)