sh64: Invert page fault fast-path error path values.
[linux-2.6-block.git] / arch / sh / mm / tlbex_64.c
index 98b64278f8c7b5fc7684d1801d41170820f4bf7b..59cb058217a0254195497d21b5267075921a5cba 100644 (file)
@@ -53,23 +53,23 @@ static int handle_vmalloc_fault(struct mm_struct *mm,
 
        pud = pud_offset(dir, address);
        if (pud_none_or_clear_bad(pud))
-               return 0;
+               return 1;
 
        pmd = pmd_offset(pud, address);
        if (pmd_none_or_clear_bad(pmd))
-               return 0;
+               return 1;
 
        pte = pte_offset_kernel(pmd, address);
        entry = *pte;
 
        if (pte_none(entry) || !pte_present(entry))
-               return 0;
+               return 1;
        if ((pte_val(entry) & protection_flags) != protection_flags)
-               return 0;
+               return 1;
 
        update_mmu_cache(NULL, address, pte);
 
-       return 1;
+       return 0;
 }
 
 static int handle_tlbmiss(struct mm_struct *mm,
@@ -94,27 +94,27 @@ static int handle_tlbmiss(struct mm_struct *mm,
           the next test is necessary.  - RPC */
        if (address >= (unsigned long) TASK_SIZE)
                /* upper half - never has page table entries. */
-               return 0;
+               return 1;
 
        dir = pgd_offset(mm, address);
        if (pgd_none(*dir) || !pgd_present(*dir))
-               return 0;
+               return 1;
        if (!pgd_present(*dir))
-               return 0;
+               return 1;
 
        pud = pud_offset(dir, address);
        if (pud_none(*pud) || !pud_present(*pud))
-               return 0;
+               return 1;
 
        pmd = pmd_offset(pud, address);
        if (pmd_none(*pmd) || !pmd_present(*pmd))
-               return 0;
+               return 1;
 
        pte = pte_offset_kernel(pmd, address);
        entry = *pte;
 
        if (pte_none(entry) || !pte_present(entry))
-               return 0;
+               return 1;
 
        /*
         * If the page doesn't have sufficient protection bits set to
@@ -123,11 +123,11 @@ static int handle_tlbmiss(struct mm_struct *mm,
         * handler.
         */
        if ((pte_val(entry) & protection_flags) != protection_flags)
-               return 0;
+               return 1;
 
        update_mmu_cache(NULL, address, pte);
 
-       return 1;
+       return 0;
 }
 
 /*
@@ -214,12 +214,12 @@ asmlinkage int do_fast_page_fault(unsigned long long ssr_md,
                         * Process-contexts can never have this address
                         * range mapped
                         */
-                       if (handle_vmalloc_fault(mm, protection_flags, address))
-                               return 1;
+                       if (handle_vmalloc_fault(mm, protection_flags, address) == 0)
+                               return 0;
        } else if (!in_interrupt() && mm) {
-               if (handle_tlbmiss(mm, protection_flags, address))
-                       return 1;
+               if (handle_tlbmiss(mm, protection_flags, address) == 0)
+                       return 0;
        }
 
-       return 0;
+       return 1;
 }