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Subject[tip: locking/core] m68knommu: Remove mm.h include from uaccess_no.h
The following commit has been merged into the locking/core branch of tip:

Commit-ID: 9e860351550b28901a78f122b1e2dc97f78ba369
Author: Thomas Gleixner <>
AuthorDate: Sat, 21 Mar 2020 20:22:10 +01:00
Committer: Thomas Gleixner <>
CommitterDate: Sat, 28 Mar 2020 11:45:39 +01:00

m68knommu: Remove mm.h include from uaccess_no.h

In file included
from include/linux/huge_mm.h:8,
from include/linux/mm.h:567,
from arch/m68k/include/asm/uaccess_no.h:8,
from arch/m68k/include/asm/uaccess.h:3,
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:7,
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];

Removing the include of linux/mm.h from the uaccess header solves the problem
and various build tests of nommu configurations still work.

Fixes: 80fbaf1c3f29 ("rcuwait: Add @state argument to rcuwait_wait_event()")
Reported-by: kbuild test robot <>
Signed-off-by: Thomas Gleixner <>
Acked-by: Geert Uytterhoeven <>

arch/m68k/include/asm/uaccess_no.h | 1 -
1 file changed, 1 deletion(-)

diff --git a/arch/m68k/include/asm/uaccess_no.h b/arch/m68k/include/asm/uaccess_no.h
index 6bc80c3..a24cfe4 100644
--- a/arch/m68k/include/asm/uaccess_no.h
+++ b/arch/m68k/include/asm/uaccess_no.h
@@ -5,7 +5,6 @@
* User space memory access functions
-#include <linux/mm.h>
#include <linux/string.h>

#include <asm/segment.h>
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