diff options
| -rw-r--r-- | arch/arm/mm/flush.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index a480f161a4b..43474d8752a 100644 --- a/arch/arm/mm/flush.c +++ b/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, |