Unverified Commit fcc514f4 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14166 Align per_cpu osq_node to 64 Byte size cacheline 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zengkai <zhengzengkai@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/D674WK6X2JZZN6F5TGZ2HFTPHNGSXSBK/ 
Align per_cpu osq_node to 64 Byte size cacheline to optimizing performance.

Zheng Zengkai (1):
  Align per_cpu osq_node to 64 Byte size cacheline


-- 
2.20.1
 
https://gitee.com/openeuler/kernel/issues/IBAZIJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/14166

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 92add5ff 47983efa

kernel/sched/fair.c

+1 −1
Original line number Diff line number Diff line
@@ -145,7 +145,7 @@ int __weak arch_asym_cpu_priority(int cpu) 


#ifdef CONFIG_QOS_SCHED



static DEFINE_PER_CPU_SHARED_ALIGNED(struct list_head, qos_throttled_cfs_rq);

static DEFINE_PER_CPU_SECTION(struct list_head, qos_throttled_cfs_rq, PER_CPU_SHARED_ALIGNED_SECTION) __attribute__((__aligned__(128)));

static DEFINE_PER_CPU_SHARED_ALIGNED(struct hrtimer, qos_overload_timer);

static DEFINE_PER_CPU(int, qos_cpu_overload);

unsigned int sysctl_overload_detect_period = 5000;  /* in ms */