runnable_avg_yN_inv[] is only used in kernel/sched/pelt.c but was
included in several other places and causes compilation warnings,
In file included from kernel/sched/pelt.h:2,
from kernel/sched/rt.c:8:
kernel/sched/sched-pelt.h:4:18: warning: 'runnable_avg_yN_inv' defined
but not used [-Wunused-const-variable=]
In file included from kernel/sched/pelt.h:2,
from kernel/sched/fair.c:705:
kernel/sched/sched-pelt.h:4:18: warning: 'runnable_avg_yN_inv' defined
but not used [-Wunused-const-variable=]
In file included from kernel/sched/pelt.h:2,
from kernel/sched/deadline.c:19:
kernel/sched/sched-pelt.h:4:18: warning: 'runnable_avg_yN_inv' defined
but not used [-Wunused-const-variable=]
Fixed it by appending the __maybe_unused attribute for it, so all
generated variables and macros can still be kept in the same file.
Signed-off-by: Qian Cai <c...@lca.pw>
---
Documentation/scheduler/sched-pelt.c | 2 +-
kernel/sched/sched-pelt.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/scheduler/sched-pelt.c
b/Documentation/scheduler/sched-pelt.c
index e4219139386a..6c10b8764533 100644
--- a/Documentation/scheduler/sched-pelt.c
+++ b/Documentation/scheduler/sched-pelt.c
@@ -20,7 +20,7 @@ void calc_runnable_avg_yN_inv(void)
int i;
unsigned int x;
- printf("static const u32 runnable_avg_yN_inv[] = {");
+ printf("static const u32 runnable_avg_yN_inv[] __maybe_unused = {");
for (i = 0; i < HALFLIFE; i++) {
x = ((1UL<<32)-1)*pow(y, i);
diff --git a/kernel/sched/sched-pelt.h b/kernel/sched/sched-pelt.h
index a26473674fb7..c529706bed11 100644
--- a/kernel/sched/sched-pelt.h
+++ b/kernel/sched/sched-pelt.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Generated by Documentation/scheduler/sched-pelt; do not modify. */
-static const u32 runnable_avg_yN_inv[] = {
+static const u32 runnable_avg_yN_inv[] __maybe_unused = {
0xffffffff, 0xfa83b2da, 0xf5257d14, 0xefe4b99a, 0xeac0c6e6, 0xe5b906e6,
0xe0ccdeeb, 0xdbfbb796, 0xd744fcc9, 0xd2a81d91, 0xce248c14, 0xc9b9bd85,
0xc5672a10, 0xc12c4cc9, 0xbd08a39e, 0xb8fbaf46, 0xb504f333, 0xb123f581,
--
2.20.1 (Apple Git-117)
