diff options
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/tlbex_64.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/arch/sh/mm/tlbex_64.c b/arch/sh/mm/tlbex_64.c index 98b64278f8c7..59cb058217a0 100644 --- a/arch/sh/mm/tlbex_64.c +++ b/arch/sh/mm/tlbex_64.c @@ -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; } |