1 files changed, 4 insertions, 7 deletions

diff --git a/fs/libfs.c b/fs/libfs.c
index 6e68b700958d..5523bde96387 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -341,13 +341,10 @@ int simple_prepare_write(struct file *file, struct page *page,
                         unsigned from, unsigned to)
 {
         if (!PageUptodate(page)) {
-                if (to - from != PAGE_CACHE_SIZE) {
-                        void *kaddr = kmap_atomic(page, KM_USER0);
-                        memset(kaddr, 0, from);
-                        memset(kaddr + to, 0, PAGE_CACHE_SIZE - to);
-                        flush_dcache_page(page);
-                        kunmap_atomic(kaddr, KM_USER0);
-                }
+                if (to - from != PAGE_CACHE_SIZE)
+                        zero_user_segments(page,
+                                0, from,
+                                to, PAGE_CACHE_SIZE);
         }
         return 0;
 }