diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-07 22:51:47 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-07 22:51:47 -0500 |
| commit | 6b995751c2e851d2bc9c277b5884d0adb519e31d (patch) | |
| tree | 7a15b41b5d8ce612915584a0773c670d5c0ab5b8 /arch/sh/mm/tlb-sh3.c | |
| parent | 6c2f4267833f453156f8f439cc32eb4c92f357b4 (diff) | |
| parent | d27ba47e7e8c466c18983a1779d611f82d6a354f (diff) | |
Merge branch 'master'
Diffstat (limited to 'arch/sh/mm/tlb-sh3.c')
| -rw-r--r-- | arch/sh/mm/tlb-sh3.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c index 7a0d5c10bf20..46b09e26e082 100644 --- a/arch/sh/mm/tlb-sh3.c +++ b/arch/sh/mm/tlb-sh3.c @@ -40,12 +40,17 @@ void update_mmu_cache(struct vm_area_struct * vma, return; #if defined(CONFIG_SH7705_CACHE_32KB) - struct page *page; - page = pte_page(pte); - if (VALID_PAGE(page) && !test_bit(PG_mapped, &page->flags)) { - unsigned long phys = pte_val(pte) & PTE_PHYS_MASK; - __flush_wback_region((void *)P1SEGADDR(phys), PAGE_SIZE); - __set_bit(PG_mapped, &page->flags); + { + struct page *page = pte_page(pte); + unsigned long pfn = pte_pfn(pte); + + if (pfn_valid(pfn) && !test_bit(PG_mapped, &page->flags)) { + unsigned long phys = pte_val(pte) & PTE_PHYS_MASK; + + __flush_wback_region((void *)P1SEGADDR(phys), + PAGE_SIZE); + __set_bit(PG_mapped, &page->flags); + } } #endif @@ -80,7 +85,7 @@ void __flush_tlb_page(unsigned long asid, unsigned long page) */ addr = MMU_TLB_ADDRESS_ARRAY | (page & 0x1F000); data = (page & 0xfffe0000) | asid; /* VALID bit is off */ - + if ((cpu_data->flags & CPU_HAS_MMU_PAGE_ASSOC)) { addr |= MMU_PAGE_ASSOC_BIT; ways = 1; /* we already know the way .. */ |