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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next prev 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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