x86/mm: Convert update_mmu_cache() and update_mmu_cache_pmd() to functions
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tue, 18 Dec 2012 20:22:18 +0000 (12:22 -0800)
committerIngo Molnar <mingo@kernel.org>
Thu, 24 Jan 2013 15:12:13 +0000 (16:12 +0100)
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>
arch/x86/include/asm/pgtable.h
arch/x86/include/asm/pgtable_32.h
arch/x86/include/asm/pgtable_64.h

index 5199db2923d31ff88b94c54397daae2b279a7bc7..512ec6bc79782f398a583b13a2c7e11372f160d6 100644 (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__ */
index 8faa215a503e54469359ab25376cc316e7703f82..9ee322103c6da79835fbae00772e9d6a7d60135c 100644 (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__ */
 
 /*
index 47356f9df82e411ca3aa4e0025611d37451064b1..615b0c78449fd474257a3a63bd58c5c4ba52042f 100644 (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)