From: Minchan Kim <minchan@kernel.org>
To: gregkh@linuxfoundation.org
Cc: linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Johannes Weiner <hannes@cmpxchg.org>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
Michal Hocko <mhocko@suse.com>,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
Liu Bo <bo.liu@linux.alibaba.com>,
stable@vger.kernel.org, Martin Liu <liumartin@google.com>
Subject: Re: [PATCH] mm: Fix the pgtable leak
Date: Wed, 13 Feb 2019 20:33:12 +0900 [thread overview]
Message-ID: <20190213113312.GA34988@google.com> (raw)
In-Reply-To: <20190213112900.33963-1-minchan@kernel.org>
On Wed, Feb 13, 2019 at 08:29:00PM +0900, Minchan Kim wrote:
> [1] was backported to v4.9 stable tree but it introduces pgtable
> memory leak because with fault retrial, preallocated pagetable
> could be leaked in second iteration.
> To fix the problem, this patch backport [2].
>
> [1] 5cf3e5ff95876, mm, memcg: fix reclaim deadlock with writeback
> [2] b0b9b3df27d10, mm: stop leaking PageTables
>
> Fixes: 5cf3e5ff95876 ("mm, memcg: fix reclaim deadlock with writeback")
> Cc: Johannes Weiner <hannes@cmpxchg.org>
> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Hugh Dickins <hughd@google.com>
> Cc: Liu Bo <bo.liu@linux.alibaba.com>
> Cc: <stable@vger.kernel.org> [4.9]
> Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: Martin Liu <liumartin@google.com>
next prev parent reply other threads:[~2019-02-13 11:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-13 11:29 [PATCH] mm: Fix the pgtable leak Minchan Kim
2019-02-13 11:33 ` Minchan Kim [this message]
2019-02-13 12:03 ` Michal Hocko
2019-02-13 12:12 ` Minchan Kim
2019-02-13 12:24 ` Michal Hocko
2019-02-14 7:25 ` Minchan Kim
2019-02-13 13:36 ` Greg KH
2019-02-14 7:23 ` Minchan Kim
2019-02-18 8:20 ` Minchan Kim
2019-02-18 8:33 ` Greg KH
2019-02-18 13:33 ` Greg KH
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