diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/fair.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 222c2d0..d26a16e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1381,7 +1381,8 @@ static void double_lock(spinlock_t *l1, spinlock_t *l2) spin_lock_nested(l2, SINGLE_DEPTH_NESTING); } -static void task_numa_group(struct task_struct *p, int cpupid, int flags) +static void task_numa_group(struct task_struct *p, int cpupid, int flags, + int *priv) { struct numa_group *grp, *my_grp; struct task_struct *tsk; @@ -1447,6 +1448,9 @@ static void task_numa_group(struct task_struct *p, int cpupid, int flags) if (flags & TNF_SHARED) join = true; + /* Update priv based on whether false sharing was detected */ + *priv = !join; + if (join && !get_numa_group(grp)) join = false; @@ -1545,7 +1549,7 @@ void task_numa_fault(int last_cpupid, int node, int pages, int flags) } else { priv = cpupid_match_pid(p, last_cpupid); if (!priv && !(flags & TNF_NO_GROUP)) - task_numa_group(p, last_cpupid, flags); + task_numa_group(p, last_cpupid, flags, &priv); } /* |