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| author | Rik van Riel <riel@redhat.com> | 2013-10-07 11:29:38 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 14:48:20 +0200 |
| commit | 1e3646ffc64b232cb14a5ef01d7b98997c1b73f9 (patch) | |
| tree | 6bb7610078609d8d84e1b7d535d958de41c8d588 /kernel/sched/core.c | |
| parent | 930aa174fcc8b0efaad102fd80f677b92f35eaa2 (diff) | |
| download | op-kernel-dev-1e3646ffc64b232cb14a5ef01d7b98997c1b73f9.zip op-kernel-dev-1e3646ffc64b232cb14a5ef01d7b98997c1b73f9.tar.gz | |
mm: numa: Revert temporarily disabling of NUMA migration
With the scan rate code working (at least for multi-instance specjbb),
the large hammer that is "sched: Do not migrate memory immediately after
switching node" can be replaced with something smarter. Revert temporarily
migration disabling and all traces of numa_migrate_seq.
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1381141781-10992-61-git-send-email-mgorman@suse.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 89c5ae8..0c3feeb 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1731,7 +1731,6 @@ static void __sched_fork(unsigned long clone_flags, struct task_struct *p) p->node_stamp = 0ULL; p->numa_scan_seq = p->mm ? p->mm->numa_scan_seq : 0; - p->numa_migrate_seq = 1; p->numa_scan_period = sysctl_numa_balancing_scan_delay; p->numa_work.next = &p->numa_work; p->numa_faults = NULL; @@ -4488,7 +4487,6 @@ void sched_setnuma(struct task_struct *p, int nid) p->sched_class->put_prev_task(rq, p); p->numa_preferred_nid = nid; - p->numa_migrate_seq = 1; if (running) p->sched_class->set_curr_task(rq); |
