mm: Fix fixup_user_fault() for MMU=n

commit 5c723ba5b7886909b2e430f2eae454c33f7fe5c6 upstream.

In commit 2efaca927f5c ("mm/futex: fix futex writes on archs with SW
tracking of dirty & young") we forgot about MMU=n.  This patch fixes

Signed-off-by: Peter Zijlstra <>
Acked-by: Benjamin Herrenschmidt <>
Acked-by: David Howells <>
Signed-off-by: Linus Torvalds <>
Cc: Mike Frysinger <>
Signed-off-by: Greg Kroah-Hartman <>

1 file changed