init_mm is sizeof(long) larger than it needs to be. Use the CPU_BITS_NONE macro meant for this, which will initialize just the indices 0...(BITS_TO_LONGS(NR_CPUS)-1) and hence make the array size actually BITS_TO_LONGS(NR_CPUS). Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> --- mm/init-mm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/init-mm.c b/mm/init-mm.c index a787a319211e..fb1e15028ef0 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -35,6 +35,6 @@ struct mm_struct init_mm = { .arg_lock = __SPIN_LOCK_UNLOCKED(init_mm.arg_lock), .mmlist = LIST_HEAD_INIT(init_mm.mmlist), .user_ns = &init_user_ns, - .cpu_bitmap = { [BITS_TO_LONGS(NR_CPUS)] = 0}, + .cpu_bitmap = CPU_BITS_NONE, INIT_MM_CONTEXT(init_mm) }; -- 2.20.1