diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/highmem.h | 1 | ||||
| -rw-r--r-- | arch/sparc/mm/highmem.c | 18 |
2 files changed, 0 insertions, 19 deletions
diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h index 3b6e00dd96e5..a31b2a1f0866 100644 --- a/arch/sparc/include/asm/highmem.h +++ b/arch/sparc/include/asm/highmem.h @@ -72,7 +72,6 @@ static inline void kunmap(struct page *page) extern void *kmap_atomic(struct page *page); extern void __kunmap_atomic(void *kvaddr); -extern struct page *kmap_atomic_to_page(void *vaddr); #define flush_cache_kmaps() flush_cache_all() diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c index 055c66cf1bf4..856432a109d2 100644 --- a/arch/sparc/mm/highmem.c +++ b/arch/sparc/mm/highmem.c @@ -110,21 +110,3 @@ void __kunmap_atomic(void *kvaddr) pagefault_enable(); } EXPORT_SYMBOL(__kunmap_atomic); - -/* We may be fed a pagetable here by ptep_to_xxx and others. */ -struct page *kmap_atomic_to_page(void *ptr) -{ - unsigned long idx, vaddr = (unsigned long)ptr; - pte_t *pte; - - if (vaddr < SRMMU_NOCACHE_VADDR) - return virt_to_page(ptr); - if (vaddr < PKMAP_BASE) - return pfn_to_page(__nocache_pa(vaddr) >> PAGE_SHIFT); - BUG_ON(vaddr < FIXADDR_START); - BUG_ON(vaddr > FIXADDR_TOP); - - idx = virt_to_fix(vaddr); - pte = kmap_pte - (idx - FIX_KMAP_BEGIN); - return pte_page(*pte); -} |