From: Rafael Aquini <aquini@redhat.com>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
Christoph Lameter <cl@linux.com>, Joonsoo Kim <js1304@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Vlastimil Babka <vbabka@suse.cz>,
Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Subject: Re: [PATCH v2 3/7] mm/mempolicy: correct putback method for isolate pages if failed
Date: Mon, 9 Dec 2013 14:41:09 -0200 [thread overview]
Message-ID: <20131209164108.GA14363@localhost.localdomain> (raw)
In-Reply-To: <1386580248-22431-4-git-send-email-iamjoonsoo.kim@lge.com>
On Mon, Dec 09, 2013 at 06:10:44PM +0900, Joonsoo Kim wrote:
> queue_pages_range() isolates hugetlbfs pages and putback_lru_pages() can't
> handle these. We should change it to putback_movable_pages().
>
> Naoya said that it is worth going into stable, because it can break
> in-use hugepage list.
>
> Cc: <stable@vger.kernel.org> # 3.12
> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>
> diff --git a/mm/mempolicy.c b/mm/mempolicy.c
> index eca4a31..6d04d37 100644
> --- a/mm/mempolicy.c
> +++ b/mm/mempolicy.c
> @@ -1318,7 +1318,7 @@ static long do_mbind(unsigned long start, unsigned long len,
> if (nr_failed && (flags & MPOL_MF_STRICT))
> err = -EIO;
> } else
> - putback_lru_pages(&pagelist);
> + putback_movable_pages(&pagelist);
>
> up_write(&mm->mmap_sem);
> mpol_out:
Acked-by: Rafael Aquini <aquini@redhat.com>
> --
> 1.7.9.5
>
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next prev parent reply other threads:[~2013-12-09 16:41 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-09 9:10 [PATCH v2 0/7] correct and clean-up migration related stuff Joonsoo Kim
2013-12-09 9:10 ` [PATCH v2 1/7] mm/migrate: add comment about permanent failure path Joonsoo Kim
2013-12-10 1:42 ` Wanpeng Li
2013-12-09 9:10 ` [PATCH v2 2/7] mm/migrate: correct failure handling if !hugepage_migration_support() Joonsoo Kim
2013-12-09 16:17 ` Christoph Lameter
2013-12-10 8:38 ` Joonsoo Kim
2013-12-10 2:17 ` Wanpeng Li
2013-12-10 8:45 ` Joonsoo Kim
2013-12-10 9:27 ` Wanpeng Li
2013-12-09 9:10 ` [PATCH v2 3/7] mm/mempolicy: correct putback method for isolate pages if failed Joonsoo Kim
2013-12-09 16:41 ` Rafael Aquini [this message]
2013-12-10 2:22 ` Wanpeng Li
2013-12-09 9:10 ` [PATCH v2 4/7] mm/migrate: remove putback_lru_pages, fix comment on putback_movable_pages Joonsoo Kim
2013-12-10 2:33 ` Wanpeng Li
2013-12-10 8:51 ` Joonsoo Kim
2013-12-10 9:00 ` Joonsoo Kim
2013-12-09 9:10 ` [PATCH v2 5/7] mm/compaction: respect ignore_skip_hint in update_pageblock_skip Joonsoo Kim
2013-12-10 2:50 ` Wanpeng Li
2013-12-09 9:10 ` [PATCH v2 6/7] mm/migrate: remove unused function, fail_migrate_page() Joonsoo Kim
2013-12-09 16:20 ` Christoph Lameter
2013-12-09 17:07 ` Naoya Horiguchi
2013-12-10 2:36 ` Wanpeng Li
2013-12-09 9:10 ` [PATCH v2 7/7] mm/migrate: remove result argument on page allocation function for migration Joonsoo Kim
2013-12-09 16:40 ` Christoph Lameter
2013-12-10 3:22 ` Wanpeng Li
2013-12-11 8:47 ` Joonsoo Kim
2013-12-11 16:00 ` Christoph Lameter
2013-12-12 0:07 ` Joonsoo Kim
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