From: Andrew Morton <akpm@linux-foundation.org>
To: Rik van Riel <riel@redhat.com>
Cc: linux-kernel@vger.kernel.org, Chao Yang <chayang@redhat.com>,
linux-mm@kvack.org, aarcange@redhat.com, mgorman@suse.de,
Veaceslav Falico <vfalico@redhat.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
David Rientjes <rientjes@google.com>,
Michel Lespinasse <walken@google.com>,
Michal Hocko <mhocko@suse.cz>
Subject: Re: [PATCH] mm,numa,THP: initialize hstate for THP page size
Date: Wed, 18 Dec 2013 14:08:30 -0800 [thread overview]
Message-ID: <20131218140830.924fa0a3bab0d497db5e256c@linux-foundation.org> (raw)
In-Reply-To: <20131218170314.1e57bea7@cuia.bos.redhat.com>
On Wed, 18 Dec 2013 17:03:14 -0500 Rik van Riel <riel@redhat.com> wrote:
> When hugetlbfs is started with a non-default page size, it is
> possible that no hstate is initialized for the page sized used
> by transparent huge pages.
>
> This causes copy_huge_page to crash on a null pointer. Make
> sure we always have an hpage initialized for the page sized
> used by THP.
>
A bit more context is needed here please - so that people can decide
which kernel version(s) need patching.
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next prev parent reply other threads:[~2013-12-18 22:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-18 22:03 Rik van Riel
2013-12-18 22:08 ` Andrew Morton [this message]
2013-12-18 22:20 ` Rik van Riel
2013-12-19 10:22 ` Michal Hocko
2013-12-19 15:18 ` Rik van Riel
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