---

yaml
---
r: 172383
b: refs/heads/master
c: b7dc0b2
h: refs/heads/master
i:
  172381: 12411fd
  172379: 50fc1c9
  172375: 4f4540b
  172367: e33d192
  172351: dbb3230
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2f0b192633f1fbf253b21c90938733491549edae
+refs/heads/master: b7dc0b2cfc6e9bc7270915c642a8a8e999b6095e

trunk/arch/arm/mm/flush.c

@@ -111,6 +111,8 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
 
 void __flush_dcache_page(struct address_space *mapping, struct page *page)
 {
+	void *addr = page_address(page);
+
 	/*
 	 * Writeback any data associated with the kernel mapping of this
 	 * page.  This ensures that data in the physical page is mutually
@@ -121,9 +123,9 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page)
 	 * kmap_atomic() doesn't set the page virtual address, and
 	 * kunmap_atomic() takes care of cache flushing already.
 	 */
-	if (page_address(page))
+	if (addr)
 #endif
-		__cpuc_flush_dcache_page(page_address(page));
+		__cpuc_flush_dcache_page(addr);
 
 	/*
 	 * If this is a page cache page, and we have an aliasing VIPT cache,