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From: Cruz Zhao <CruzZhao@linux.alibaba.com>
To: mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com,
	vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
	rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de,
	bristot@redhat.com, vschneid@redhat.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] sched/features: Expand the space of sched features
Date: Mon,  1 Aug 2022 17:46:51 +0800	[thread overview]
Message-ID: <1659347211-81838-1-git-send-email-CruzZhao@linux.alibaba.com> (raw)

With the increase of sched features, the available space decreases
gradually. In order to prevent features overflow, this patch expands
the space of sched features from 32 to 64.

Signed-off-by: Cruz Zhao <CruzZhao@linux.alibaba.com>
---
 kernel/sched/core.c  | 2 +-
 kernel/sched/sched.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1899990..afe76fb 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -122,7 +122,7 @@
  */
 #define SCHED_FEAT(name, enabled)	\
 	(1UL << __SCHED_FEAT_##name) * enabled |
-const_debug unsigned int sysctl_sched_features =
+const_debug u64 sysctl_sched_features =
 #include "features.h"
 	0;
 #undef SCHED_FEAT
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index a6f071b..ac97f0a 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1999,7 +1999,7 @@ enum {
  * To support run-time toggling of sched features, all the translation units
  * (but core.c) reference the sysctl_sched_features defined in core.c.
  */
-extern const_debug unsigned int sysctl_sched_features;
+extern const_debug u64 sysctl_sched_features;
 
 #ifdef CONFIG_JUMP_LABEL
 #define SCHED_FEAT(name, enabled)					\
@@ -2029,7 +2029,7 @@ enum {
  */
 #define SCHED_FEAT(name, enabled)	\
 	(1UL << __SCHED_FEAT_##name) * enabled |
-static const_debug __maybe_unused unsigned int sysctl_sched_features =
+static const_debug __maybe_unused u64 sysctl_sched_features =
 #include "features.h"
 	0;
 #undef SCHED_FEAT
-- 
1.8.3.1


             reply	other threads:[~2022-08-01  9:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-01  9:46 Cruz Zhao [this message]
2022-08-01 12:46 ` [PATCH] sched/features: Expand the space of sched features Ingo Molnar

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