From: Mel Gorman <mgorman@suse.de> To: Peter Zijlstra <a.p.zijlstra@chello.nl>, Rik van Riel <riel@redhat.com> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>, Ingo Molnar <mingo@kernel.org>, Andrea Arcangeli <aarcange@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Mel Gorman <mgorman@suse.de> Subject: [PATCH 40/63] sched: numa: Favor placing a task on the preferred node Date: Mon, 7 Oct 2013 11:29:18 +0100 [thread overview] Message-ID: <1381141781-10992-41-git-send-email-mgorman@suse.de> (raw) In-Reply-To: <1381141781-10992-1-git-send-email-mgorman@suse.de> A tasks preferred node is selected based on the number of faults recorded for a node but the actual task_numa_migate() conducts a global search regardless of the preferred nid. This patch checks if the preferred nid has capacity and if so, searches for a CPU within that node. This avoids a global search when the preferred node is not overloaded. Signed-off-by: Mel Gorman <mgorman@suse.de> --- kernel/sched/fair.c | 54 ++++++++++++++++++++++++++++++++++------------------- 1 file changed, 35 insertions(+), 19 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 59abe50..722baab 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1052,6 +1052,20 @@ unlock: rcu_read_unlock(); } +static void task_numa_find_cpu(struct task_numa_env *env, long imp) +{ + int cpu; + + for_each_cpu(cpu, cpumask_of_node(env->dst_nid)) { + /* Skip this CPU if the source task cannot migrate */ + if (!cpumask_test_cpu(cpu, tsk_cpus_allowed(env->p))) + continue; + + env->dst_cpu = cpu; + task_numa_compare(env, imp); + } +} + static int task_numa_migrate(struct task_struct *p) { struct task_numa_env env = { @@ -1068,7 +1082,8 @@ static int task_numa_migrate(struct task_struct *p) }; struct sched_domain *sd; unsigned long faults; - int nid, cpu, ret; + int nid, ret; + long imp; /* * Pick the lowest SD_NUMA domain, as that would have the smallest @@ -1085,28 +1100,29 @@ static int task_numa_migrate(struct task_struct *p) faults = task_faults(p, env.src_nid); update_numa_stats(&env.src_stats, env.src_nid); + env.dst_nid = p->numa_preferred_nid; + imp = task_faults(env.p, env.dst_nid) - faults; + update_numa_stats(&env.dst_stats, env.dst_nid); - /* Find an alternative node with relatively better statistics */ - for_each_online_node(nid) { - long imp; - - if (nid == env.src_nid) - continue; - - /* Only consider nodes that recorded more faults */ - imp = task_faults(p, nid) - faults; - if (imp < 0) - continue; + /* + * If the preferred nid has capacity then use it. Otherwise find an + * alternative node with relatively better statistics. + */ + if (env.dst_stats.has_capacity) { + task_numa_find_cpu(&env, imp); + } else { + for_each_online_node(nid) { + if (nid == env.src_nid || nid == p->numa_preferred_nid) + continue; - env.dst_nid = nid; - update_numa_stats(&env.dst_stats, env.dst_nid); - for_each_cpu(cpu, cpumask_of_node(nid)) { - /* Skip this CPU if the source task cannot migrate */ - if (!cpumask_test_cpu(cpu, tsk_cpus_allowed(p))) + /* Only consider nodes that recorded more faults */ + imp = task_faults(env.p, nid) - faults; + if (imp < 0) continue; - env.dst_cpu = cpu; - task_numa_compare(&env, imp); + env.dst_nid = nid; + update_numa_stats(&env.dst_stats, env.dst_nid); + task_numa_find_cpu(&env, imp); } } -- 1.8.4
WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de> To: Peter Zijlstra <a.p.zijlstra@chello.nl>, Rik van Riel <riel@redhat.com> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>, Ingo Molnar <mingo@kernel.org>, Andrea Arcangeli <aarcange@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Mel Gorman <mgorman@suse.de> Subject: [PATCH 40/63] sched: numa: Favor placing a task on the preferred node Date: Mon, 7 Oct 2013 11:29:18 +0100 [thread overview] Message-ID: <1381141781-10992-41-git-send-email-mgorman@suse.de> (raw) In-Reply-To: <1381141781-10992-1-git-send-email-mgorman@suse.de> A tasks preferred node is selected based on the number of faults recorded for a node but the actual task_numa_migate() conducts a global search regardless of the preferred nid. This patch checks if the preferred nid has capacity and if so, searches for a CPU within that node. This avoids a global search when the preferred node is not overloaded. Signed-off-by: Mel Gorman <mgorman@suse.de> --- kernel/sched/fair.c | 54 ++++++++++++++++++++++++++++++++++------------------- 1 file changed, 35 insertions(+), 19 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 59abe50..722baab 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1052,6 +1052,20 @@ unlock: rcu_read_unlock(); } +static void task_numa_find_cpu(struct task_numa_env *env, long imp) +{ + int cpu; + + for_each_cpu(cpu, cpumask_of_node(env->dst_nid)) { + /* Skip this CPU if the source task cannot migrate */ + if (!cpumask_test_cpu(cpu, tsk_cpus_allowed(env->p))) + continue; + + env->dst_cpu = cpu; + task_numa_compare(env, imp); + } +} + static int task_numa_migrate(struct task_struct *p) { struct task_numa_env env = { @@ -1068,7 +1082,8 @@ static int task_numa_migrate(struct task_struct *p) }; struct sched_domain *sd; unsigned long faults; - int nid, cpu, ret; + int nid, ret; + long imp; /* * Pick the lowest SD_NUMA domain, as that would have the smallest @@ -1085,28 +1100,29 @@ static int task_numa_migrate(struct task_struct *p) faults = task_faults(p, env.src_nid); update_numa_stats(&env.src_stats, env.src_nid); + env.dst_nid = p->numa_preferred_nid; + imp = task_faults(env.p, env.dst_nid) - faults; + update_numa_stats(&env.dst_stats, env.dst_nid); - /* Find an alternative node with relatively better statistics */ - for_each_online_node(nid) { - long imp; - - if (nid == env.src_nid) - continue; - - /* Only consider nodes that recorded more faults */ - imp = task_faults(p, nid) - faults; - if (imp < 0) - continue; + /* + * If the preferred nid has capacity then use it. Otherwise find an + * alternative node with relatively better statistics. + */ + if (env.dst_stats.has_capacity) { + task_numa_find_cpu(&env, imp); + } else { + for_each_online_node(nid) { + if (nid == env.src_nid || nid == p->numa_preferred_nid) + continue; - env.dst_nid = nid; - update_numa_stats(&env.dst_stats, env.dst_nid); - for_each_cpu(cpu, cpumask_of_node(nid)) { - /* Skip this CPU if the source task cannot migrate */ - if (!cpumask_test_cpu(cpu, tsk_cpus_allowed(p))) + /* Only consider nodes that recorded more faults */ + imp = task_faults(env.p, nid) - faults; + if (imp < 0) continue; - env.dst_cpu = cpu; - task_numa_compare(&env, imp); + env.dst_nid = nid; + update_numa_stats(&env.dst_stats, env.dst_nid); + task_numa_find_cpu(&env, imp); } } -- 1.8.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2013-10-07 10:36 UTC|newest] Thread overview: 340+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-10-07 10:28 [PATCH 0/63] Basic scheduler support for automatic NUMA balancing V9 Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 10:28 ` [PATCH 01/63] hotplug: Optimize {get,put}_online_cpus() Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 10:28 ` [PATCH 02/63] mm: numa: Document automatic NUMA balancing sysctls Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 12:46 ` Rik van Riel 2013-10-07 12:46 ` Rik van Riel 2013-10-09 17:24 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 03/63] sched, numa: Comment fixlets Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 12:46 ` Rik van Riel 2013-10-07 12:46 ` Rik van Riel 2013-10-09 17:24 ` [tip:sched/core] sched/numa: Fix comments tip-bot for Peter Zijlstra 2013-10-07 10:28 ` [PATCH 04/63] mm: numa: Do not account for a hinting fault if we raced Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 12:47 ` Rik van Riel 2013-10-07 12:47 ` Rik van Riel 2013-10-09 17:24 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-29 10:42 ` [tip:core/urgent] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 05/63] mm: Wait for THP migrations to complete during NUMA hinting faults Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 13:55 ` Rik van Riel 2013-10-07 13:55 ` Rik van Riel 2013-10-09 17:24 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-29 10:42 ` [tip:core/urgent] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 06/63] mm: Prevent parallel splits during THP migration Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 14:01 ` Rik van Riel 2013-10-07 14:01 ` Rik van Riel 2013-10-09 17:24 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-29 10:42 ` [tip:core/urgent] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 07/63] mm: numa: Sanitize task_numa_fault() callsites Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 14:02 ` Rik van Riel 2013-10-07 14:02 ` Rik van Riel 2013-10-09 17:25 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-29 10:42 ` [tip:core/urgent] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 08/63] mm: Close races between THP migration and PMD numa clearing Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 14:02 ` Rik van Riel 2013-10-07 14:02 ` Rik van Riel 2013-10-09 17:25 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-29 10:42 ` [tip:core/urgent] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 09/63] mm: Account for a THP NUMA hinting update as one PTE update Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 14:02 ` Rik van Riel 2013-10-07 14:02 ` Rik van Riel 2013-10-09 17:25 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-29 10:43 ` [tip:core/urgent] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 10/63] mm: Do not flush TLB during protection change if !pte_present && !migration_entry Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 15:12 ` Rik van Riel 2013-10-07 15:12 ` Rik van Riel 2013-10-09 17:25 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 11/63] mm: Only flush TLBs if a transhuge PMD is modified for NUMA pte scanning Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-09 17:25 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 12/63] mm: numa: Do not migrate or account for hinting faults on the zero page Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 17:10 ` Rik van Riel 2013-10-07 17:10 ` Rik van Riel 2013-10-09 17:25 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 13/63] sched: numa: Mitigate chance that same task always updates PTEs Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 17:24 ` Rik van Riel 2013-10-07 17:24 ` Rik van Riel 2013-10-09 17:26 ` [tip:sched/core] sched/numa: " tip-bot for Peter Zijlstra 2013-10-07 10:28 ` [PATCH 14/63] sched: numa: Continue PTE scanning even if migrate rate limited Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 17:24 ` Rik van Riel 2013-10-07 17:24 ` Rik van Riel 2013-10-09 17:26 ` [tip:sched/core] sched/numa: " tip-bot for Peter Zijlstra 2013-10-07 10:28 ` [PATCH 15/63] Revert "mm: sched: numa: Delay PTE scanning until a task is scheduled on a new node" Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 17:42 ` Rik van Riel 2013-10-07 17:42 ` Rik van Riel 2013-10-09 17:26 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 16/63] sched: numa: Initialise numa_next_scan properly Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 17:44 ` Rik van Riel 2013-10-07 17:44 ` Rik van Riel 2013-10-09 17:26 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 17/63] sched: Set the scan rate proportional to the memory usage of the task being scanned Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 17:44 ` Rik van Riel 2013-10-07 17:44 ` Rik van Riel 2013-10-09 17:26 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 18/63] sched: numa: Slow scan rate if no NUMA hinting faults are being recorded Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 18:02 ` Rik van Riel 2013-10-07 18:02 ` Rik van Riel 2013-10-09 17:26 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 19/63] sched: Track NUMA hinting faults on per-node basis Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 18:02 ` Rik van Riel 2013-10-07 18:02 ` Rik van Riel 2013-10-09 17:27 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-12-04 5:32 ` [PATCH 19/63] sched: " Wanpeng Li 2013-12-04 5:37 ` Wanpeng Li 2013-10-07 10:28 ` [PATCH 20/63] sched: Select a preferred node with the most numa hinting faults Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 18:04 ` Rik van Riel 2013-10-07 18:04 ` Rik van Riel 2013-10-09 17:27 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:28 ` [PATCH 21/63] sched: Update NUMA hinting faults once per scan Mel Gorman 2013-10-07 10:28 ` Mel Gorman 2013-10-07 18:39 ` Rik van Riel 2013-10-07 18:39 ` Rik van Riel 2013-10-09 17:27 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 22/63] sched: Favour moving tasks towards the preferred node Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:39 ` Rik van Riel 2013-10-07 18:39 ` Rik van Riel 2013-10-09 17:27 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 23/63] sched: Resist moving tasks towards nodes with fewer hinting faults Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:40 ` Rik van Riel 2013-10-07 18:40 ` Rik van Riel 2013-10-09 17:27 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 24/63] sched: Reschedule task on preferred NUMA node once selected Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:40 ` Rik van Riel 2013-10-07 18:40 ` Rik van Riel 2013-10-09 17:27 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 25/63] sched: Add infrastructure for split shared/private accounting of NUMA hinting faults Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:41 ` Rik van Riel 2013-10-07 18:41 ` Rik van Riel 2013-10-09 17:28 ` [tip:sched/core] sched/numa: Add infrastructure for split shared/ private " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 26/63] sched: Check current->mm before allocating NUMA faults Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:41 ` Rik van Riel 2013-10-07 18:41 ` Rik van Riel 2013-10-09 17:28 ` [tip:sched/core] sched/numa: Check current-> mm " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 27/63] mm: numa: Scan pages with elevated page_mapcount Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:43 ` Rik van Riel 2013-10-07 18:43 ` Rik van Riel 2013-10-09 17:28 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 28/63] sched: Remove check that skips small VMAs Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:44 ` Rik van Riel 2013-10-07 18:44 ` Rik van Riel 2013-10-09 17:28 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 29/63] sched: Set preferred NUMA node based on number of private faults Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:45 ` Rik van Riel 2013-10-07 18:45 ` Rik van Riel 2013-10-09 17:28 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 30/63] sched: Do not migrate memory immediately after switching node Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:28 ` [tip:sched/core] sched/numa: " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 31/63] mm: numa: only unmap migrate-on-fault VMAs Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:29 ` [tip:sched/core] mm: numa: Limit NUMA scanning to " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 32/63] sched: Avoid overloading CPUs on a preferred NUMA node Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:58 ` Rik van Riel 2013-10-07 18:58 ` Rik van Riel 2013-10-09 17:29 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 33/63] sched: Retry migration of tasks to CPU on a preferred node Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 18:58 ` Rik van Riel 2013-10-07 18:58 ` Rik van Riel 2013-10-09 17:29 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 34/63] sched: numa: increment numa_migrate_seq when task runs in correct location Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:29 ` [tip:sched/core] sched/numa: Increment " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 35/63] sched: numa: Do not trap hinting faults for shared libraries Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:04 ` Rik van Riel 2013-10-07 19:04 ` Rik van Riel 2013-10-09 17:29 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 36/63] mm: numa: Only trap pmd hinting faults if we would otherwise trap PTE faults Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:06 ` Rik van Riel 2013-10-07 19:06 ` Rik van Riel 2013-10-09 17:29 ` [tip:sched/core] mm: numa: Trap pmd hinting faults only " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 37/63] stop_machine: Introduce stop_two_cpus() Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:30 ` [tip:sched/core] " tip-bot for Peter Zijlstra 2013-10-07 10:29 ` [PATCH 38/63] sched: Introduce migrate_swap() Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:06 ` Rik van Riel 2013-10-07 19:06 ` Rik van Riel 2013-10-09 17:30 ` [tip:sched/core] sched/numa: " tip-bot for Peter Zijlstra 2013-10-10 18:17 ` Peter Zijlstra 2013-10-10 19:04 ` Rik van Riel 2013-10-15 9:55 ` Mel Gorman 2013-10-17 16:49 ` [tip:sched/core] sched: Fix race in migrate_swap_stop() tip-bot for Peter Zijlstra 2013-10-07 10:29 ` [PATCH 39/63] sched: numa: Use a system-wide search to find swap/migration candidates Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:07 ` Rik van Riel 2013-10-07 19:07 ` Rik van Riel 2013-10-09 17:30 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` Mel Gorman [this message] 2013-10-07 10:29 ` [PATCH 40/63] sched: numa: Favor placing a task on the preferred node Mel Gorman 2013-10-07 19:07 ` Rik van Riel 2013-10-07 19:07 ` Rik van Riel 2013-10-09 17:30 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 41/63] sched: numa: fix placement of workloads spread across multiple nodes Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:30 ` [tip:sched/core] sched/numa: Fix " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 42/63] mm: numa: Change page last {nid,pid} into {cpu,pid} Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:08 ` Rik van Riel 2013-10-07 19:08 ` Rik van Riel 2013-10-09 17:30 ` [tip:sched/core] mm: numa: Change page last {nid,pid} into {cpu, pid} tip-bot for Peter Zijlstra 2013-10-07 10:29 ` [PATCH 43/63] sched: numa: Use {cpu, pid} to create task groups for shared faults Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:09 ` Rik van Riel 2013-10-07 19:09 ` Rik van Riel 2013-10-09 17:31 ` [tip:sched/core] sched/numa: " tip-bot for Peter Zijlstra 2013-10-07 10:29 ` [PATCH 44/63] sched: numa: Report a NUMA task group ID Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:09 ` Rik van Riel 2013-10-07 19:09 ` Rik van Riel 2013-10-09 17:31 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 45/63] mm: numa: copy cpupid on page migration Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:31 ` [tip:sched/core] mm: numa: Copy " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 46/63] mm: numa: Do not group on RO pages Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:10 ` Rik van Riel 2013-10-07 19:10 ` Rik van Riel 2013-10-09 17:31 ` [tip:sched/core] " tip-bot for Peter Zijlstra 2013-10-07 10:29 ` [PATCH 47/63] mm: numa: Do not batch handle PMD pages Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:11 ` Rik van Riel 2013-10-07 19:11 ` Rik van Riel 2013-10-09 17:31 ` [tip:sched/core] " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 48/63] sched: numa: stay on the same node if CLONE_VM Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:31 ` [tip:sched/core] sched/numa: Stay " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 49/63] sched: numa: use group fault statistics in numa placement Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:32 ` [tip:sched/core] sched/numa: Use " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 50/63] sched: numa: call task_numa_free from do_execve Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:32 ` [tip:sched/core] sched/numa: Call task_numa_free() from do_execve () tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 51/63] sched: numa: Prevent parallel updates to group stats during placement Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:13 ` Rik van Riel 2013-10-07 19:13 ` Rik van Riel 2013-10-09 17:32 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 52/63] sched: numa: add debugging Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:13 ` Rik van Riel 2013-10-07 19:13 ` Rik van Riel 2013-10-09 17:32 ` [tip:sched/core] sched/numa: Add debugging tip-bot for Ingo Molnar 2013-10-07 10:29 ` [PATCH 53/63] sched: numa: Decide whether to favour task or group weights based on swap candidate relationships Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:32 ` [tip:sched/core] sched/numa: " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 54/63] sched: numa: fix task or group comparison Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:32 ` [tip:sched/core] sched/numa: Fix " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 55/63] sched: numa: Avoid migrating tasks that are placed on their preferred node Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:14 ` Rik van Riel 2013-10-07 19:14 ` Rik van Riel 2013-10-09 17:33 ` [tip:sched/core] sched/numa: " tip-bot for Peter Zijlstra 2013-10-07 10:29 ` [PATCH 56/63] sched: numa: be more careful about joining numa groups Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:33 ` [tip:sched/core] sched/numa: Be " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 57/63] sched: numa: Take false sharing into account when adapting scan rate Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:14 ` Rik van Riel 2013-10-07 19:14 ` Rik van Riel 2013-10-09 17:33 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 58/63] sched: numa: adjust scan rate in task_numa_placement Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:33 ` [tip:sched/core] sched/numa: Adjust " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 59/63] sched: numa: Remove the numa_balancing_scan_period_reset sysctl Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:14 ` Rik van Riel 2013-10-07 19:14 ` Rik van Riel 2013-10-09 17:33 ` [tip:sched/core] sched/numa: " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 60/63] mm: numa: revert temporarily disabling of NUMA migration Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:33 ` [tip:sched/core] mm: numa: Revert " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 61/63] sched: numa: skip some page migrations after a shared fault Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:34 ` [tip:sched/core] sched/numa: Skip " tip-bot for Rik van Riel 2013-10-07 10:29 ` [PATCH 62/63] sched: numa: use unsigned longs for numa group fault stats Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-07 19:15 ` Rik van Riel 2013-10-07 19:15 ` Rik van Riel 2013-10-09 17:34 ` [tip:sched/core] sched/numa: Use " tip-bot for Mel Gorman 2013-10-07 10:29 ` [PATCH 63/63] sched: numa: periodically retry task_numa_migrate Mel Gorman 2013-10-07 10:29 ` Mel Gorman 2013-10-09 17:34 ` [tip:sched/core] sched/numa: Retry task_numa_migrate() periodically tip-bot for Rik van Riel 2013-10-09 11:03 ` [PATCH 0/63] Basic scheduler support for automatic NUMA balancing V9 Ingo Molnar 2013-10-09 11:03 ` Ingo Molnar 2013-10-09 11:11 ` Ingo Molnar 2013-10-09 11:11 ` Ingo Molnar 2013-10-09 11:13 ` Ingo Molnar 2013-10-09 11:13 ` Ingo Molnar 2013-10-09 12:05 ` Peter Zijlstra 2013-10-09 12:05 ` Peter Zijlstra 2013-10-09 12:48 ` Ingo Molnar 2013-10-09 12:48 ` Ingo Molnar 2013-10-10 7:05 ` Mel Gorman 2013-10-10 7:05 ` Mel Gorman 2013-10-09 16:28 ` Ingo Molnar 2013-10-09 16:29 ` Ingo Molnar 2013-10-09 16:57 ` Ingo Molnar 2013-10-09 16:57 ` Ingo Molnar 2013-10-09 17:09 ` Ingo Molnar 2013-10-09 17:09 ` Ingo Molnar 2013-10-09 17:11 ` Peter Zijlstra 2013-10-09 17:11 ` Peter Zijlstra 2013-10-09 17:08 ` Peter Zijlstra 2013-10-09 17:08 ` Peter Zijlstra 2013-10-09 17:15 ` Ingo Molnar 2013-10-09 17:15 ` Ingo Molnar 2013-10-09 17:18 ` Peter Zijlstra 2013-10-09 17:18 ` Peter Zijlstra 2013-10-24 12:26 ` Automatic NUMA balancing patches for tip-urgent/stable Mel Gorman 2013-10-24 12:26 ` Mel Gorman 2013-10-26 12:11 ` Ingo Molnar 2013-10-26 12:11 ` Ingo Molnar 2013-10-29 9:42 ` Mel Gorman 2013-10-29 9:42 ` Mel Gorman 2013-10-29 9:48 ` Ingo Molnar 2013-10-29 9:48 ` Ingo Molnar 2013-10-29 10:24 ` Mel Gorman 2013-10-29 10:24 ` Mel Gorman 2013-10-29 10:41 ` Ingo Molnar 2013-10-29 10:41 ` Ingo Molnar 2013-10-29 12:48 ` Mel Gorman 2013-10-29 12:48 ` Mel Gorman 2013-10-31 9:51 ` [RFC GIT PULL] NUMA-balancing memory corruption fixes Ingo Molnar 2013-10-31 9:51 ` Ingo Molnar 2013-10-31 22:25 ` Linus Torvalds 2013-10-31 22:25 ` Linus Torvalds 2013-11-01 7:36 ` Ingo Molnar 2013-11-01 7:36 ` Ingo Molnar -- strict thread matches above, loose matches on Subject: below -- 2013-09-27 13:26 [PATCH 0/63] Basic scheduler support for automatic NUMA balancing V8 Mel Gorman 2013-09-27 13:27 ` [PATCH 40/63] sched: numa: Favor placing a task on the preferred node Mel Gorman 2013-09-27 13:27 ` Mel Gorman
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