From c7e739746dbde9ae401fd88824f5656c5e2361fc Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 23 Sep 2025 09:03:26 -1000 Subject: [PATCH] sched_ext: Use bitfields for boolean warning flags Convert warned_zero_slice and warned_deprecated_rq in scx_sched struct to single-bit bitfields. While this doesn't reduce struct size immediately, it prepares for future bitfield additions. v2: Update patch description. Acked-by: Andrea Righi Signed-off-by: Tejun Heo --- kernel/sched/ext_internal.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/ext_internal.h b/kernel/sched/ext_internal.h index 2e289931e567f..1a80d01b1f0c4 100644 --- a/kernel/sched/ext_internal.h +++ b/kernel/sched/ext_internal.h @@ -871,8 +871,8 @@ struct scx_sched { struct scx_dispatch_q **global_dsqs; struct scx_sched_pcpu __percpu *pcpu; - bool warned_zero_slice; - bool warned_deprecated_rq; + bool warned_zero_slice:1; + bool warned_deprecated_rq:1; atomic_t exit_kind; struct scx_exit_info *exit_info; -- 2.47.3