memdup_user(): switch to GFP_USER

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/mm/util.c b/mm/util.c
index 34e57fa..4b93ffa 100644 (file)
--- a/mm/util.c
+++ b/mm/util.c
@@ -156,12 +156,7 @@ void *memdup_user(const void __user *src, size_t len)
 {
        void *p;
 
-       /*
-        * Always use GFP_KERNEL, since copy_from_user() can sleep and
-        * cause pagefault, which makes it pointless to use GFP_NOFS
-        * or GFP_ATOMIC.
-        */
-       p = kmalloc_track_caller(len, GFP_KERNEL);
+       p = kmalloc_track_caller(len, GFP_USER);
        if (!p)
                return ERR_PTR(-ENOMEM);