From: Andrea Arcangeli <aarcange@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 19/36] autonuma: memory follows CPU algorithm and task/mm_autonuma stats collection
Date: Thu, 23 Aug 2012 00:46:03 +0200 [thread overview]
Message-ID: <20120822224603.GH8107@redhat.com> (raw)
In-Reply-To: <20120822223733.GQ16230@one.firstfloor.org>
Hi Andi,
On Thu, Aug 23, 2012 at 12:37:33AM +0200, Andi Kleen wrote:
> >
> > This comment seems quite accurate to me (btw I taken it from
> > sched-numa rewrite with minor changes).
>
> I had expected it to describe the next function. If it's a strategic
> overview maybe it should be somewhere else.
Well the next function is last_nid_set, and that's where the last_nid
logic is implemented. The comment explains why last_nid statistically
provides a benefit so I thought it was an ok location, but I welcome
suggestions to move it somewhere else.
Thanks,
Andrea
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next prev parent reply other threads:[~2012-08-22 22:46 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-22 14:58 [PATCH 00/36] AutoNUMA24 Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 01/36] autonuma: make set_pmd_at always available Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 02/36] autonuma: export is_vma_temporary_stack() even if CONFIG_TRANSPARENT_HUGEPAGE=n Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 03/36] autonuma: define _PAGE_NUMA_PTE and _PAGE_NUMA_PMD Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 04/36] autonuma: pte_numa() and pmd_numa() Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 05/36] autonuma: teach gup_fast about pmd_numa Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 06/36] autonuma: introduce kthread_bind_node() Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 07/36] autonuma: mm_autonuma and task_autonuma data structures Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 08/36] autonuma: define the autonuma flags Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 09/36] autonuma: core autonuma.h header Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 10/36] autonuma: CPU follows memory algorithm Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 11/36] autonuma: add page structure fields Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 12/36] autonuma: knuma_migrated per NUMA node queues Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 13/36] autonuma: autonuma_enter/exit Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 14/36] autonuma: call autonuma_setup_new_exec() Andrea Arcangeli
2012-08-22 14:58 ` [PATCH 15/36] autonuma: alloc/free/init task_autonuma Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 16/36] autonuma: alloc/free/init mm_autonuma Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 17/36] autonuma: prevent select_task_rq_fair to return -1 Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 18/36] autonuma: teach CFS about autonuma affinity Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 19/36] autonuma: memory follows CPU algorithm and task/mm_autonuma stats collection Andrea Arcangeli
2012-08-22 20:19 ` Andi Kleen
2012-08-22 21:22 ` Hugh Dickins
2012-08-22 21:24 ` Andrea Arcangeli
2012-08-22 22:37 ` Andi Kleen
2012-08-22 22:46 ` Andrea Arcangeli [this message]
2012-08-22 14:59 ` [PATCH 20/36] autonuma: default mempolicy follow AutoNUMA Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 21/36] autonuma: call autonuma_split_huge_page() Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 22/36] autonuma: make khugepaged pte_numa aware Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 23/36] autonuma: retain page last_nid information in khugepaged Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 24/36] autonuma: numa hinting page faults entry points Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 25/36] autonuma: reset autonuma page data when pages are freed Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 26/36] autonuma: link mm/autonuma.o and kernel/sched/numa.o Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 27/36] autonuma: add CONFIG_AUTONUMA and CONFIG_AUTONUMA_DEFAULT_ENABLED Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 28/36] autonuma: page_autonuma Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 29/36] autonuma: autonuma_migrate_head[0] dynamic size Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 30/36] autonuma: bugcheck page_autonuma fields on newly allocated pages Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 31/36] autonuma: shrink the per-page page_autonuma struct size Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 32/36] autonuma: boost khugepaged scanning rate Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 33/36] autonuma: powerpc port Andrea Arcangeli
2012-08-22 22:01 ` Benjamin Herrenschmidt
2012-08-22 22:35 ` Andrea Arcangeli
2012-08-23 5:11 ` Benjamin Herrenschmidt
2012-08-23 15:23 ` Andrea Arcangeli
2012-08-23 22:13 ` Benjamin Herrenschmidt
2012-08-22 22:56 ` Benjamin Herrenschmidt
2012-08-22 23:06 ` Andrea Arcangeli
2012-08-23 4:15 ` Vaidyanathan Srinivasan
2012-08-22 14:59 ` [PATCH 34/36] autonuma: make the AUTONUMA_SCAN_PMD_FLAG conditional to CONFIG_HAVE_ARCH_AUTONUMA_SCAN_PMD Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 35/36] autonuma: add knuma_migrated/allow_first_fault in sysfs Andrea Arcangeli
2012-08-22 14:59 ` [PATCH 36/36] autonuma: add mm_autonuma working set estimation Andrea Arcangeli
2012-08-22 19:26 ` [PATCH 00/36] AutoNUMA24 Rik van Riel
2012-08-22 21:40 ` Ingo Molnar
2012-08-22 22:19 ` Andrea Arcangeli
2012-08-23 8:42 ` Ingo Molnar
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