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authorWanpeng Li <liwanp@linux.vnet.ibm.com>2013-12-12 15:23:23 +0800
committerIngo Molnar <mingo@kernel.org>2013-12-17 15:24:38 +0100
commit1bd53a7efdc988163ec4c25f656df38dbe500632 (patch)
tree6bc1d2fb0b550ca3f0d86f72c2b65fbe991baf83 /kernel
parentffe732c2430c55074bebb172d33d909c662cd0e3 (diff)
downloadblackbird-op-linux-1bd53a7efdc988163ec4c25f656df38dbe500632.tar.gz
blackbird-op-linux-1bd53a7efdc988163ec4c25f656df38dbe500632.zip
sched/numa: Drop sysctl_numa_balancing_settle_count sysctl
commit 887c290e (sched/numa: Decide whether to favour task or group weights based on swap candidate relationships) drop the check against sysctl_numa_balancing_settle_count, this patch remove the sysctl. Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Acked-by: Mel Gorman <mgorman@suse.de> Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Link: http://lkml.kernel.org/r/1386833006-6600-1-git-send-email-liwanp@linux.vnet.ibm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/fair.c9
-rw-r--r--kernel/sysctl.c7
2 files changed, 0 insertions, 16 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index a9185f7c9446..fcb6c17f7d79 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -872,15 +872,6 @@ static unsigned int task_scan_max(struct task_struct *p)
return max(smin, smax);
}
-/*
- * Once a preferred node is selected the scheduler balancer will prefer moving
- * a task to that node for sysctl_numa_balancing_settle_count number of PTE
- * scans. This will give the process the chance to accumulate more faults on
- * the preferred node but still allow the scheduler to move the task again if
- * the nodes CPUs are overloaded.
- */
-unsigned int sysctl_numa_balancing_settle_count __read_mostly = 4;
-
static void account_numa_enqueue(struct rq *rq, struct task_struct *p)
{
rq->nr_numa_running += (p->numa_preferred_nid != -1);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 34a604726d0b..c8da99f905cf 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -385,13 +385,6 @@ static struct ctl_table kern_table[] = {
.proc_handler = proc_dointvec,
},
{
- .procname = "numa_balancing_settle_count",
- .data = &sysctl_numa_balancing_settle_count,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
.procname = "numa_balancing_migrate_deferred",
.data = &sysctl_numa_balancing_migrate_deferred,
.maxlen = sizeof(unsigned int),
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