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SubjectRe: [PATCH 3/4] sched: introduce synchronized idle injection
Hi Jacob,

[auto build test WARNING on: tip/sched/core]
[also build test WARNING on: v4.3 next-20151113]

url: https://github.com/0day-ci/linux/commits/Jacob-Pan/CFS-idle-injection/20151114-035732
config: i386-randconfig-s1-201545 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All warnings (new ones prefixed by >>):

>> kernel/sysctl.c:127:12: warning: 'fifty' defined but not used [-Wunused-variable]
static int fifty = 50;
^

vim +/fifty +127 kernel/sysctl.c

111 #ifndef CONFIG_MMU
112 extern int sysctl_nr_trim_pages;
113 #endif
114
115 /* Constants used for minimum and maximum */
116 #ifdef CONFIG_LOCKUP_DETECTOR
117 static int sixty = 60;
118 #endif
119
120 static int __maybe_unused neg_one = -1;
121
122 static int zero;
123 static int __maybe_unused one = 1;
124 static int __maybe_unused two = 2;
125 static int __maybe_unused four = 4;
126 static unsigned long one_ul = 1;
> 127 static int fifty = 50;
128 static int one_hundred = 100;
129 #ifdef CONFIG_PRINTK
130 static int ten_thousand = 10000;
131 #endif
132
133 /* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
134 static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
135

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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