aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mm/highmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mm/highmem.c')
-rw-r--r--arch/arm/mm/highmem.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 807c0573abb..35352517a5d 100644
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -71,13 +71,12 @@ void *__kmap_atomic(struct page *page)
*/
BUG_ON(!pte_none(*(TOP_PTE(vaddr))));
#endif
- set_pte_ext(TOP_PTE(vaddr), mk_pte(page, kmap_prot), 0);
/*
* When debugging is off, kunmap_atomic leaves the previous mapping
- * in place, so this TLB flush ensures the TLB is updated with the
- * new mapping.
+ * in place, so the contained TLB flush ensures the TLB is updated
+ * with the new mapping.
*/
- local_flush_tlb_kernel_page(vaddr);
+ set_top_pte(vaddr, mk_pte(page, kmap_prot));
return (void *)vaddr;
}
@@ -96,8 +95,7 @@ void __kunmap_atomic(void *kvaddr)
__cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE);
#ifdef CONFIG_DEBUG_HIGHMEM
BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx));
- set_pte_ext(TOP_PTE(vaddr), __pte(0), 0);
- local_flush_tlb_kernel_page(vaddr);
+ set_top_pte(vaddr, __pte(0));
#else
(void) idx; /* to kill a warning */
#endif
@@ -123,8 +121,7 @@ void *kmap_atomic_pfn(unsigned long pfn)
#ifdef CONFIG_DEBUG_HIGHMEM
BUG_ON(!pte_none(*(TOP_PTE(vaddr))));
#endif
- set_pte_ext(TOP_PTE(vaddr), pfn_pte(pfn, kmap_prot), 0);
- local_flush_tlb_kernel_page(vaddr);
+ set_top_pte(vaddr, pfn_pte(pfn, kmap_prot));
return (void *)vaddr;
}