Tested and Acked by me. Queued for next pull request, thx On Fri, Mar 20, 2020 at 5:49 PM Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote: > > The defconfig compiles without linux/mm.h. With mm.h included the > include chain leands to: > | CC kernel/locking/percpu-rwsem.o > | In file included from include/linux/huge_mm.h:8, > | from include/linux/mm.h:567, > | from arch/csky/include/asm/uaccess.h:, > | from include/linux/uaccess.h:11, > | from include/linux/sched/task.h:11, > | from include/linux/sched/signal.h:9, > | from include/linux/rcuwait.h:6, > | from include/linux/percpu-rwsem.h:8, > | from kernel/locking/percpu-rwsem.c:6: > | include/linux/fs.h:1422:29: error: array type has incomplete element type 'struct percpu_rw_semaphore' > | 1422 | struct percpu_rw_semaphore rw_sem[SB_FREEZE_LEVELS]; > > once rcuwait.h includes linux/sched/signal.h. > > Remove the linux/mm.h include. > > Cc: Guo Ren <guoren@xxxxxxxxxx> > Cc: linux-csky@xxxxxxxxxxxxxxx > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > --- > arch/csky/include/asm/uaccess.h | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/csky/include/asm/uaccess.h b/arch/csky/include/asm/uaccess.h > index eaa1c3403a424..abefa125b93cf 100644 > --- a/arch/csky/include/asm/uaccess.h > +++ b/arch/csky/include/asm/uaccess.h > @@ -11,7 +11,6 @@ > #include <linux/errno.h> > #include <linux/types.h> > #include <linux/sched.h> > -#include <linux/mm.h> > #include <linux/string.h> > #include <linux/version.h> > #include <asm/segment.h> > -- > 2.26.0.rc2 > -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/