diff options
Diffstat (limited to 'kernel/sched/fair.c')
-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 7ce18f3c097a..bcfe32088b37 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c | |||
@@ -1609,9 +1609,11 @@ static void update_task_scan_period(struct task_struct *p, | |||
1609 | /* | 1609 | /* |
1610 | * If there were no record hinting faults then either the task is | 1610 | * If there were no record hinting faults then either the task is |
1611 | * completely idle or all activity is areas that are not of interest | 1611 | * completely idle or all activity is areas that are not of interest |
1612 | * to automatic numa balancing. Scan slower | 1612 | * to automatic numa balancing. Related to that, if there were failed |
1613 | * migration then it implies we are migrating too quickly or the local | ||
1614 | * node is overloaded. In either case, scan slower | ||
1613 | */ | 1615 | */ |
1614 | if (local + shared == 0) { | 1616 | if (local + shared == 0 || p->numa_faults_locality[2]) { |
1615 | p->numa_scan_period = min(p->numa_scan_period_max, | 1617 | p->numa_scan_period = min(p->numa_scan_period_max, |
1616 | p->numa_scan_period << 1); | 1618 | p->numa_scan_period << 1); |
1617 | 1619 | ||
@@ -2080,6 +2082,8 @@ void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags) | |||
2080 | 2082 | ||
2081 | if (migrated) | 2083 | if (migrated) |
2082 | p->numa_pages_migrated += pages; | 2084 | p->numa_pages_migrated += pages; |
2085 | if (flags & TNF_MIGRATE_FAIL) | ||
2086 | p->numa_faults_locality[2] += pages; | ||
2083 | 2087 | ||
2084 | p->numa_faults[task_faults_idx(NUMA_MEMBUF, mem_node, priv)] += pages; | 2088 | p->numa_faults[task_faults_idx(NUMA_MEMBUF, mem_node, priv)] += pages; |
2085 | p->numa_faults[task_faults_idx(NUMA_CPUBUF, cpu_node, priv)] += pages; | 2089 | p->numa_faults[task_faults_idx(NUMA_CPUBUF, cpu_node, priv)] += pages; |