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From: Andrea Arcangeli <aarcange@redhat.com>
To: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: Hillf Danton <dhillf@gmail.com>, Dan Smith <danms@us.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
	Paul Turner <pjt@google.com>,
	Suresh Siddha <suresh.b.siddha@intel.com>,
	Mike Galbraith <efault@gmx.de>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Lai Jiangshan <laijs@cn.fujitsu.com>,
	Bharata B Rao <bharata.rao@gmail.com>,
	Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
	Rik van Riel <riel@redhat.com>,
	Johannes Weiner <hannes@cmpxchg.org>
Subject: [PATCH 16/39] autonuma: call autonuma_setup_new_exec()
Date: Mon, 26 Mar 2012 19:46:03 +0200	[thread overview]
Message-ID: <1332783986-24195-17-git-send-email-aarcange@redhat.com> (raw)
In-Reply-To: <1332783986-24195-1-git-send-email-aarcange@redhat.com>

This resets all per-thread and per-process statistics across exec
syscalls or after kernel threads detached from the mm. The past
statistical NUMA information is unlikely to be relevant for the future
in these cases.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
 fs/exec.c        |    3 +++
 mm/mmu_context.c |    2 ++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 23559c2..488cc4d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -55,6 +55,7 @@
 #include <linux/pipe_fs_i.h>
 #include <linux/oom.h>
 #include <linux/compat.h>
+#include <linux/autonuma.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
@@ -1175,6 +1176,8 @@ void setup_new_exec(struct linux_binprm * bprm)
 			
 	flush_signal_handlers(current, 0);
 	flush_old_files(current->files);
+
+	autonuma_setup_new_exec(current);
 }
 EXPORT_SYMBOL(setup_new_exec);
 
diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index 3dcfaf4..40f0f13 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -7,6 +7,7 @@
 #include <linux/mmu_context.h>
 #include <linux/export.h>
 #include <linux/sched.h>
+#include <linux/autonuma.h>
 
 #include <asm/mmu_context.h>
 
@@ -58,5 +59,6 @@ void unuse_mm(struct mm_struct *mm)
 	/* active_mm is still 'mm' */
 	enter_lazy_tlb(mm, tsk);
 	task_unlock(tsk);
+	autonuma_setup_new_exec(tsk);
 }
 EXPORT_SYMBOL_GPL(unuse_mm);

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  parent reply	other threads:[~2012-03-26 18:57 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-26 17:45 [PATCH 00/39] [RFC] AutoNUMA alpha10 Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 01/39] autonuma: make set_pmd_at always available Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 02/39] xen: document Xen is using an unused bit for the pagetables Andrea Arcangeli
2012-03-30 21:40   ` Konrad Rzeszutek Wilk
2012-03-26 17:45 ` [PATCH 03/39] autonuma: define _PAGE_NUMA_PTE and _PAGE_NUMA_PMD Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 04/39] autonuma: x86 pte_numa() and pmd_numa() Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 05/39] autonuma: generic " Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 06/39] autonuma: teach gup_fast about pte_numa Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 07/39] autonuma: introduce kthread_bind_node() Andrea Arcangeli
2012-03-26 18:32   ` Peter Zijlstra
2012-03-27 15:22     ` Andrea Arcangeli
2012-03-27 15:45       ` Peter Zijlstra
2012-03-27 16:04         ` Andrea Arcangeli
2012-03-27 16:19           ` Peter Zijlstra
2012-03-26 17:45 ` [PATCH 08/39] autonuma: mm_autonuma and sched_autonuma data structures Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 09/39] autonuma: define the autonuma flags Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 10/39] autonuma: core autonuma.h header Andrea Arcangeli
2012-03-26 17:45 ` [PATCH 11/39] autonuma: CPU follow memory algorithm Andrea Arcangeli
2012-03-26 18:25   ` Peter Zijlstra
2012-03-26 19:28     ` Rik van Riel
2012-03-26 19:44       ` Andrea Arcangeli
2012-03-26 19:58         ` Linus Torvalds
2012-03-26 20:39           ` Andrea Arcangeli
2012-03-27  8:39             ` Peter Zijlstra
2012-03-27 14:37               ` Andrea Arcangeli
2012-03-27 16:15               ` Andrea Arcangeli
2012-03-28 11:26                 ` Peter Zijlstra
2012-03-28 18:39                   ` Andrea Arcangeli
2012-03-27 17:09               ` Ingo Molnar
2012-03-26 17:45 ` [PATCH 12/39] autonuma: add page structure fields Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 13/39] autonuma: knuma_migrated per NUMA node queues Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 14/39] autonuma: init knuma_migrated queues Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 15/39] autonuma: autonuma_enter/exit Andrea Arcangeli
2012-03-26 17:46 ` Andrea Arcangeli [this message]
2012-03-26 17:46 ` [PATCH 17/39] autonuma: alloc/free/init sched_autonuma Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 18/39] autonuma: alloc/free/init mm_autonuma Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 19/39] mm: add unlikely to the mm allocation failure check Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 20/39] autonuma: avoid CFS select_task_rq_fair to return -1 Andrea Arcangeli
2012-03-26 19:36   ` Peter Zijlstra
2012-03-26 20:53     ` Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 21/39] autonuma: fix selecting task runqueue Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 22/39] autonuma: select_task_rq_fair cleanup new_cpu < 0 fix Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 23/39] autonuma: teach CFS about autonuma affinity Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 24/39] autonuma: fix finding idlest cpu Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 25/39] autonuma: fix selecting idle sibling Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 26/39] autonuma: select_idle_sibling cleanup target assignment Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 27/39] autonuma: core Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 28/39] autonuma: follow_page check for pte_numa/pmd_numa Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 29/39] autonuma: default mempolicy follow AutoNUMA Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 30/39] autonuma: call autonuma_split_huge_page() Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 31/39] autonuma: make khugepaged pte_numa aware Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 32/39] autonuma: retain page last_nid information in khugepaged Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 33/39] autonuma: numa hinting page faults entry points Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 34/39] autonuma: reset autonuma page data when pages are freed Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 35/39] autonuma: initialize page structure fields Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 36/39] autonuma: link mm/autonuma.o and kernel/sched/numa.o Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 37/39] autonuma: add CONFIG_AUTONUMA and CONFIG_AUTONUMA_DEFAULT_ENABLED Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 38/39] autonuma: boost khugepaged scanning rate Andrea Arcangeli
2012-03-26 17:46 ` [PATCH 39/39] autonuma: NUMA scheduler SMT awareness Andrea Arcangeli
2012-03-26 18:57   ` Peter Zijlstra
2012-03-27  0:00     ` Andrea Arcangeli
2012-03-28 13:51       ` Andrea Arcangeli
2012-04-03 20:35 ` [PATCH 00/39] [RFC] AutoNUMA alpha10 Srivatsa Vaddagiri

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