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 07/10] mbind: add hugepage migration code to mbind()
Date: Mon, 08 Apr 2013 16:25:29 -0400 [thread overview]
Message-ID: <1365452729-dczpcd7w-mutt-n-horiguchi@ah.jp.nec.com> (raw)
In-Reply-To: <515F4D9A.3060009@gmail.com>
On Fri, Apr 05, 2013 at 06:18:02PM -0400, KOSAKI Motohiro wrote:
> > @@ -1277,14 +1279,10 @@ static long do_mbind(unsigned long start, unsigned long len,
> > if (!err) {
> > int nr_failed = 0;
> >
> > - if (!list_empty(&pagelist)) {
> > - WARN_ON_ONCE(flags & MPOL_MF_LAZY);
> > - nr_failed = migrate_pages(&pagelist, new_vma_page,
> > + WARN_ON_ONCE(flags & MPOL_MF_LAZY);
>
> ???
> MPOL_MF_LAZY always output warn? It seems really insane.
So I'll stop replacing this block into migrate_movable_pages() and
leave this WARN as it is.
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 07/10] mbind: add hugepage migration code to mbind()
Date: Mon, 08 Apr 2013 16:25:29 -0400 [thread overview]
Message-ID: <1365452729-dczpcd7w-mutt-n-horiguchi@ah.jp.nec.com> (raw)
In-Reply-To: <515F4D9A.3060009@gmail.com>
On Fri, Apr 05, 2013 at 06:18:02PM -0400, KOSAKI Motohiro wrote:
> > @@ -1277,14 +1279,10 @@ static long do_mbind(unsigned long start, unsigned long len,
> > if (!err) {
> > int nr_failed = 0;
> >
> > - if (!list_empty(&pagelist)) {
> > - WARN_ON_ONCE(flags & MPOL_MF_LAZY);
> > - nr_failed = migrate_pages(&pagelist, new_vma_page,
> > + WARN_ON_ONCE(flags & MPOL_MF_LAZY);
>
> ???
> MPOL_MF_LAZY always output warn? It seems really insane.
So I'll stop replacing this block into migrate_movable_pages() and
leave this WARN as it is.
--
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next prev parent reply other threads:[~2013-04-08 20:26 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
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 [this message]
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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