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| author | Qian Cai <cai@lca.pw> | 2019-07-19 21:23:19 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-07-25 15:55:05 +0200 |
| commit | a1dc0446d64966dc0ae756aebdc449f335742c13 (patch) | |
| tree | 75832dda42b57466b5613358f4bba42d33ef4aee /kernel | |
| parent | a07db5c0865799ebed1f88be0df50c581fb65029 (diff) | |
| download | linux-a1dc0446d64966dc0ae756aebdc449f335742c13.tar.gz linux-a1dc0446d64966dc0ae756aebdc449f335742c13.tar.bz2 linux-a1dc0446d64966dc0ae756aebdc449f335742c13.zip | |
sched/core: Silence a warning in sched_init()
Compiling a kernel with both FAIR_GROUP_SCHED=n and RT_GROUP_SCHED=n
will generate a compiler warning:
kernel/sched/core.c: In function 'sched_init':
kernel/sched/core.c:5906:32: warning: variable 'ptr' set but not used
It is unnecessary to have both "alloc_size" and "ptr", so just combine
them.
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: valentin.schneider@arm.com
Link: https://lkml.kernel.org/r/20190720012319.884-1-cai@lca.pw
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 042c736b2b73..46f3ca9e392a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6430,19 +6430,19 @@ DECLARE_PER_CPU(cpumask_var_t, select_idle_mask); void __init sched_init(void) { - unsigned long alloc_size = 0, ptr; + unsigned long ptr = 0; int i; wait_bit_init(); #ifdef CONFIG_FAIR_GROUP_SCHED - alloc_size += 2 * nr_cpu_ids * sizeof(void **); + ptr += 2 * nr_cpu_ids * sizeof(void **); #endif #ifdef CONFIG_RT_GROUP_SCHED - alloc_size += 2 * nr_cpu_ids * sizeof(void **); + ptr += 2 * nr_cpu_ids * sizeof(void **); #endif - if (alloc_size) { - ptr = (unsigned long)kzalloc(alloc_size, GFP_NOWAIT); + if (ptr) { + ptr = (unsigned long)kzalloc(ptr, GFP_NOWAIT); #ifdef CONFIG_FAIR_GROUP_SCHED root_task_group.se = (struct sched_entity **)ptr; |