From: Tejun Heo <tj@kernel.org>
To: David Vernet <void@manifault.com>,
Andrea Righi <arighi@nvidia.com>,
Changwoo Min <changwoo@igalia.com>
Cc: linux-kernel@vger.kernel.org, sched-ext@lists.linux.dev
Subject: [PATCH v2 4/7] sched_ext: Use bitfields for boolean warning flags
Date: Tue, 23 Sep 2025 06:58:06 -1000 [thread overview]
Message-ID: <aNLRnjsWRQt4WjRM@slm.duckdns.org> (raw)
In-Reply-To: <20250922013246.275031-4-tj@kernel.org>
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.
Signed-off-by: Tejun Heo <tj@kernel.org>
---
kernel/sched/ext_internal.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- 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;
next prev parent reply other threads:[~2025-09-23 16:58 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-22 1:32 [PATCH 1/7] sched_ext: Use rhashtable_lookup() instead of rhashtable_lookup_fast() Tejun Heo
2025-09-22 1:32 ` [PATCH 2/7] sched_ext: Improve SCX_KF_DISPATCH comment Tejun Heo
2025-09-23 7:20 ` Andrea Righi
2025-09-22 1:32 ` [PATCH 3/7] sched_ext: Fix stray scx_root usage in task_can_run_on_remote_rq() Tejun Heo
2025-09-23 7:22 ` Andrea Righi
2025-09-22 1:32 ` [PATCH 4/7] sched_ext: Use bitfields for boolean warning flags Tejun Heo
2025-09-23 7:45 ` Andrea Righi
2025-09-23 16:00 ` Tejun Heo
2025-09-23 16:58 ` Tejun Heo [this message]
2025-09-23 18:45 ` [PATCH v2 " Andrea Righi
2025-09-22 1:32 ` [PATCH 5/7] sched_ext: Add SCX_EFLAG_INITIALIZED to indicate successful ops.init() Tejun Heo
2025-09-23 8:08 ` Andrea Righi
2025-09-22 1:32 ` [PATCH 6/7] sched_ext: Make qmap dump operation non-destructive Tejun Heo
2025-09-23 8:09 ` Andrea Righi
2025-09-22 1:32 ` [PATCH 7/7] tools/sched_ext: scx_qmap: Make debug output quieter by default Tejun Heo
2025-09-23 8:11 ` Andrea Righi
2025-09-23 7:18 ` [PATCH 1/7] sched_ext: Use rhashtable_lookup() instead of rhashtable_lookup_fast() Andrea Righi
2025-09-23 15:59 ` Tejun Heo
2025-09-23 18:47 ` Andrea Righi
2025-09-23 19:13 ` Tejun Heo
2025-09-24 6:14 ` Andrea Righi
2025-09-24 6:38 ` Tejun Heo
2025-09-24 8:26 ` Andrea Righi
2025-09-24 18:00 ` Tejun Heo
2025-10-22 21:37 ` Andrea Righi
2025-10-22 21:56 ` Tejun Heo
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