From: William Lee Irwin III <wli@holomorphy.com>
To: David Gibson <david@gibson.dropbear.id.au>,
Andrew Morton <akpm@osdl.org>,
apw@shadowen.org, linux-kernel@vger.kernel.org
Subject: Re: Hugepage bugfix
Date: Tue, 1 Jun 2004 19:43:58 -0700 [thread overview]
Message-ID: <20040602024358.GX2093@holomorphy.com> (raw)
In-Reply-To: <20040602022312.GB2042@zax>
On Wed, Jun 02, 2004 at 12:23:12PM +1000, David Gibson wrote:
> Currently the hugepage code stores the hugepage destructor in the
> mapping field of the second of the compound pages. However, this
> field is never cleared again, which causes tracebacks from
> free_pages_check() if the hugepage is later destroyed by reducing the
> number in /proc/sys/vm/nr_hugepages. This patch fixes the bug by
> clearing the mapping field when the hugepage is freed.
Good catch; thanks.
-- wli
prev parent reply other threads:[~2004-06-02 2:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-02 2:23 David Gibson
2004-06-02 2:43 ` William Lee Irwin III [this message]
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