---

yaml --- r: 297573 b: refs/heads/master c: 0d31fe4 h: refs/heads/master i: 297571: 2c79c3d v: v3
git-mirror · Jan 26, 2012 · cd89a57 · cd89a57
1 parent 40e401e
commit cd89a57
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Showing 3 changed files with 9 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 67ece1443174d852e71c42facb3e2d7dd338c88a
+refs/heads/master: 0d31fe47b0f62e6546779eae2fc9b2e024aff4ce
diff --git a/trunk/arch/arm/mm/highmem.c b/trunk/arch/arm/mm/highmem.c
@@ -69,7 +69,7 @@ void *__kmap_atomic(struct page *page)
 	 * With debugging enabled, kunmap_atomic forces that entry to 0.
 	 * Make sure it was indeed properly unmapped.
 	 */
-	BUG_ON(!pte_none(*(TOP_PTE(vaddr))));
+	BUG_ON(!pte_none(get_top_pte(vaddr)));
 #endif
 	/*
 	 * When debugging is off, kunmap_atomic leaves the previous mapping
@@ -119,7 +119,7 @@ void *kmap_atomic_pfn(unsigned long pfn)
 	idx = type + KM_TYPE_NR * smp_processor_id();
 	vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
 #ifdef CONFIG_DEBUG_HIGHMEM
-	BUG_ON(!pte_none(*(TOP_PTE(vaddr))));
+	BUG_ON(!pte_none(get_top_pte(vaddr)));
 #endif
 	set_top_pte(vaddr, pfn_pte(pfn, kmap_prot));
 
@@ -129,11 +129,9 @@ void *kmap_atomic_pfn(unsigned long pfn)
 struct page *kmap_atomic_to_page(const void *ptr)
 {
 	unsigned long vaddr = (unsigned long)ptr;
-	pte_t *pte;
 
 	if (vaddr < FIXADDR_START)
 		return virt_to_page(ptr);
 
-	pte = TOP_PTE(vaddr);
-	return pte_page(*pte);
+	return pte_page(get_top_pte(vaddr));
 }
diff --git a/trunk/arch/arm/mm/mm.h b/trunk/arch/arm/mm/mm.h
@@ -24,6 +24,11 @@ static inline void set_top_pte(unsigned long va, pte_t pte)
 	local_flush_tlb_kernel_page(va);
 }
 
+static inline pte_t get_top_pte(unsigned long va)
+{
+	return *TOP_PTE(va);
+}
+
 static inline pmd_t *pmd_off_k(unsigned long virt)
 {
 	return pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt);