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From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mel@csn.ul.ie>, Hugh Dickins <hughd@google.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Andi Kleen <andi@firstfloor.org>, Hillf Danton <dhillf@gmail.com>,
	Michal Hocko <mhocko@suse.cz>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 05/10] migrate: add hugepage migration code to migrate_pages()
Date: Mon, 08 Apr 2013 16:21:26 -0400	[thread overview]
Message-ID: <1365452486-arj4q4xd-mutt-n-horiguchi@ah.jp.nec.com> (raw)
In-Reply-To: <515F3F5C.2090709@gmail.com>

On Fri, Apr 05, 2013 at 05:17:16PM -0400, KOSAKI Motohiro wrote:
> (3/22/13 4:23 PM), Naoya Horiguchi wrote:
> > This patch extends check_range() to handle vma with VM_HUGETLB set.
> > We will be able to migrate hugepage with migrate_pages(2) after
> > applying the enablement patch which comes later in this series.
> > 
> > Note that for larger hugepages (covered by pud entries, 1GB for
> > x86_64 for example), we simply skip it now.
> 
> check_range() has largely duplication with mm_walk and it is quirk subset.
> Instead of, could you replace them to mm_walk and enhance/cleanup mm_walk?

OK, I'll try this.

Thanks,
Naoya

WARNING: multiple messages have this Message-ID (diff)
From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mel@csn.ul.ie>, Hugh Dickins <hughd@google.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Andi Kleen <andi@firstfloor.org>, Hillf Danton <dhillf@gmail.com>,
	Michal Hocko <mhocko@suse.cz>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 05/10] migrate: add hugepage migration code to migrate_pages()
Date: Mon, 08 Apr 2013 16:21:26 -0400	[thread overview]
Message-ID: <1365452486-arj4q4xd-mutt-n-horiguchi@ah.jp.nec.com> (raw)
In-Reply-To: <515F3F5C.2090709@gmail.com>

On Fri, Apr 05, 2013 at 05:17:16PM -0400, KOSAKI Motohiro wrote:
> (3/22/13 4:23 PM), Naoya Horiguchi wrote:
> > This patch extends check_range() to handle vma with VM_HUGETLB set.
> > We will be able to migrate hugepage with migrate_pages(2) after
> > applying the enablement patch which comes later in this series.
> > 
> > Note that for larger hugepages (covered by pud entries, 1GB for
> > x86_64 for example), we simply skip it now.
> 
> check_range() has largely duplication with mm_walk and it is quirk subset.
> Instead of, could you replace them to mm_walk and enhance/cleanup mm_walk?

OK, I'll try this.

Thanks,
Naoya

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  reply	other threads:[~2013-04-08 20:22 UTC|newest]

Thread overview: 132+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-22 20:23 [PATCH v2 0/10] extend hugepage migration Naoya Horiguchi
2013-03-22 20:23 ` Naoya Horiguchi
2013-03-22 20:23 ` [PATCH 01/10] migrate: add migrate_entry_wait_huge() Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-23 15:55   ` Rik van Riel
2013-03-23 15:55     ` Rik van Riel
2013-03-25 10:13   ` Michal Hocko
2013-03-25 10:13     ` Michal Hocko
2013-03-26  4:25     ` Naoya Horiguchi
2013-03-26  4:25       ` Naoya Horiguchi
2013-04-05 20:33   ` KOSAKI Motohiro
2013-04-05 20:33     ` KOSAKI Motohiro
2013-04-08 20:00     ` Naoya Horiguchi
2013-04-08 20:00       ` Naoya Horiguchi
2013-04-05 20:33   ` KOSAKI Motohiro
2013-04-05 20:33     ` KOSAKI Motohiro
2013-03-22 20:23 ` [PATCH 02/10] migrate: make core migration code aware of hugepage Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-25 10:57   ` Michal Hocko
2013-03-25 10:57     ` Michal Hocko
2013-03-26  4:33     ` Naoya Horiguchi
2013-03-26  4:33       ` Naoya Horiguchi
2013-03-26  8:49       ` Michal Hocko
2013-03-26  8:49         ` Michal Hocko
2013-04-05 20:41         ` KOSAKI Motohiro
2013-04-05 20:41           ` KOSAKI Motohiro
2013-03-22 20:23 ` [PATCH 03/10] soft-offline: use migrate_pages() instead of migrate_huge_page() Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-25 12:31   ` Michal Hocko
2013-03-25 12:31     ` Michal Hocko
2013-03-26  4:34     ` Naoya Horiguchi
2013-03-26  4:34       ` Naoya Horiguchi
2013-03-26  9:49       ` Michal Hocko
2013-03-26  9:49         ` Michal Hocko
2013-03-26 20:35         ` Naoya Horiguchi
2013-03-26 20:35           ` Naoya Horiguchi
2013-03-27 13:00           ` Michal Hocko
2013-03-27 13:00             ` Michal Hocko
2013-04-05 21:11             ` KOSAKI Motohiro
2013-04-05 21:11               ` KOSAKI Motohiro
2013-03-26 11:29   ` Aneesh Kumar K.V
2013-03-26 11:29     ` Aneesh Kumar K.V
2013-03-27 13:52     ` Michal Hocko
2013-03-27 13:52       ` Michal Hocko
2013-03-27 19:19       ` Naoya Horiguchi
2013-03-27 19:19         ` Naoya Horiguchi
2013-03-28  8:53         ` Michal Hocko
2013-03-28  8:53           ` Michal Hocko
2013-03-29  5:26       ` Aneesh Kumar K.V
2013-03-29  5:26         ` Aneesh Kumar K.V
2013-03-29  9:36         ` Michal Hocko
2013-03-29  9:36           ` Michal Hocko
2013-04-01  5:13       ` Aneesh Kumar K.V
2013-04-01  5:13         ` Aneesh Kumar K.V
2013-04-02  9:45         ` Michal Hocko
2013-04-02  9:45           ` Michal Hocko
2013-03-22 20:23 ` [PATCH 04/10] migrate: clean up migrate_huge_page() Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-04-05 21:13   ` KOSAKI Motohiro
2013-04-05 21:13     ` KOSAKI Motohiro
2013-03-22 20:23 ` [PATCH 05/10] migrate: add hugepage migration code to migrate_pages() Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-25 13:04   ` Michal Hocko
2013-03-25 13:04     ` Michal Hocko
2013-03-26  5:13     ` Naoya Horiguchi
2013-03-26  5:13       ` Naoya Horiguchi
2013-03-26  8:55       ` Michal Hocko
2013-03-26  8:55         ` Michal Hocko
2013-04-05 21:17   ` KOSAKI Motohiro
2013-04-05 21:17     ` KOSAKI Motohiro
2013-04-08 20:21     ` Naoya Horiguchi [this message]
2013-04-08 20:21       ` Naoya Horiguchi
2013-03-22 20:23 ` [PATCH 06/10] migrate: add hugepage migration code to move_pages() Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-25 13:36   ` Michal Hocko
2013-03-25 13:36     ` Michal Hocko
2013-03-26  7:06     ` Naoya Horiguchi
2013-03-26  7:06       ` Naoya Horiguchi
2013-03-26 10:02       ` Michal Hocko
2013-03-26 10:02         ` Michal Hocko
2013-03-26 20:37         ` Naoya Horiguchi
2013-03-26 20:37           ` Naoya Horiguchi
2013-03-22 20:23 ` [PATCH 07/10] mbind: add hugepage migration code to mbind() Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-25 13:49   ` Michal Hocko
2013-03-25 13:49     ` Michal Hocko
2013-04-05 22:23     ` KOSAKI Motohiro
2013-04-05 22:23       ` KOSAKI Motohiro
2013-04-06  7:04       ` Michal Hocko
2013-04-06  7:04         ` Michal Hocko
2013-04-05 22:18   ` KOSAKI Motohiro
2013-04-05 22:18     ` KOSAKI Motohiro
2013-04-08 20:25     ` Naoya Horiguchi
2013-04-08 20:25       ` Naoya Horiguchi
2013-03-22 20:23 ` [PATCH 08/10] migrate: remove VM_HUGETLB from vma flag check in vma_migratable() Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-22 20:23 ` [PATCH 09/10] memory-hotplug: enable memory hotplug to handle hugepage Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-25 15:09   ` Michal Hocko
2013-03-25 15:09     ` Michal Hocko
2013-03-26 18:23     ` Naoya Horiguchi
2013-03-26 18:23       ` Naoya Horiguchi
2013-03-27 14:19       ` Michal Hocko
2013-03-27 14:19         ` Michal Hocko
2013-03-27 21:29         ` Naoya Horiguchi
2013-03-27 21:29           ` Naoya Horiguchi
2013-03-27 21:58           ` Naoya Horiguchi
2013-03-27 21:58             ` Naoya Horiguchi
2013-03-27 22:55           ` Michal Hocko
2013-03-27 22:55             ` Michal Hocko
2013-03-26 12:01   ` Aneesh Kumar K.V
2013-03-26 12:01     ` Aneesh Kumar K.V
2013-03-27 19:28     ` Naoya Horiguchi
2013-03-27 19:28       ` Naoya Horiguchi
2013-04-06  0:13   ` KOSAKI Motohiro
2013-04-06  0:13     ` KOSAKI Motohiro
2013-04-09 20:07     ` Naoya Horiguchi
2013-04-09 20:07       ` Naoya Horiguchi
2013-04-09 21:27       ` KOSAKI Motohiro
2013-04-09 21:27         ` KOSAKI Motohiro
2013-04-09 22:43         ` Naoya Horiguchi
2013-04-09 22:43           ` Naoya Horiguchi
2013-04-10  1:56           ` KOSAKI Motohiro
2013-04-10  1:56             ` KOSAKI Motohiro
2013-04-10  2:24             ` Naoya Horiguchi
2013-04-10  2:24               ` Naoya Horiguchi
2013-03-22 20:23 ` [PATCH 10/10] prepare to remove /proc/sys/vm/hugepages_treat_as_movable Naoya Horiguchi
2013-03-22 20:23   ` Naoya Horiguchi
2013-03-25 15:12   ` Michal Hocko
2013-03-25 15:12     ` Michal Hocko
2013-04-06  0:15     ` KOSAKI Motohiro
2013-04-06  0:15       ` KOSAKI Motohiro

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