From: Andrew Morton <akpm@linux-foundation.org>

OK, breaking the i386 build was going a bit far.

Cc: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/eventfd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN fs/eventfd.c~signal-timer-event-fds-v9-eventfd-core-fix fs/eventfd.c
--- a/fs/eventfd.c~signal-timer-event-fds-v9-eventfd-core-fix
+++ a/fs/eventfd.c
@@ -144,7 +144,7 @@ static ssize_t eventfd_write(struct file
 
 	if (count < sizeof(ucnt))
 		return -EINVAL;
-	if (get_user(ucnt, (const __u64 __user *) buf))
+	if (copy_from_user(&ucnt, buf, sizeof(ucnt)))
 		return -EFAULT;
 	if (ucnt == ULLONG_MAX)
 		return -EINVAL;
_