Hi Peter,
FYI, there are new compile warnings show up in
tree: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git numa/core
head: e99e955b90d7aaa4418cace9734e8069921ba440
commit: bb527e7df7bd5f05dca74868f61b7a9a17ee54c1 [15/20] sched/numa: More NUMA_PULL_BIAS fixes
config: x86_64-allyesconfig # make ARCH=x86_64 allyesconfig
All warnings:
kernel/sched/fair.c: In function 'account_numa_enqueue':
kernel/sched/fair.c:972:1: warning: no return statement in function returning non-void [-Wreturn-type]
vim +972 kernel/sched/fair.c
4ae834f7 Peter Zijlstra 2012-07-16 956
96249815 Peter Zijlstra 2012-10-09 957 if (!time_before(jiffies, curr->mm->numa_next_scan)) {
4ae834f7 Peter Zijlstra 2012-07-16 958 /*
4ae834f7 Peter Zijlstra 2012-07-16 959 * We can re-use curr->rcu because we checked curr->mm
4ae834f7 Peter Zijlstra 2012-07-16 960 * != NULL so release_task()->call_rcu() was not called
4ae834f7 Peter Zijlstra 2012-07-16 961 * yet and exit_task_work() is called before
4ae834f7 Peter Zijlstra 2012-07-16 962 * exit_notify().
4ae834f7 Peter Zijlstra 2012-07-16 963 */
4ae834f7 Peter Zijlstra 2012-07-16 964 init_task_work(&curr->rcu, task_numa_work);
4ae834f7 Peter Zijlstra 2012-07-16 965 task_work_add(curr, &curr->rcu, true);
4ae834f7 Peter Zijlstra 2012-07-16 966 }
4ae834f7 Peter Zijlstra 2012-07-16 967 }
4ae834f7 Peter Zijlstra 2012-07-16 968 }
4ae834f7 Peter Zijlstra 2012-07-16 969 #else
bb527e7d Peter Zijlstra 2012-10-11 970 static struct list_head *account_numa_enqueue(struct rq *rq, struct task_struct *p)
4ae834f7 Peter Zijlstra 2012-07-16 971 {
4ae834f7 Peter Zijlstra 2012-07-16 @972 }
4ae834f7 Peter Zijlstra 2012-07-16 973
bb527e7d Peter Zijlstra 2012-10-11 974 static void account_numa_dequeue(struct rq *rq, struct task_struct *p)
4ae834f7 Peter Zijlstra 2012-07-16 975 {
4ae834f7 Peter Zijlstra 2012-07-16 976 }
4ae834f7 Peter Zijlstra 2012-07-16 977
4ae834f7 Peter Zijlstra 2012-07-16 978 static void task_tick_numa(struct rq *rq, struct task_struct *curr)
4ae834f7 Peter Zijlstra 2012-07-16 979 {
4ae834f7 Peter Zijlstra 2012-07-16 980 }
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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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