From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Andrew Morton <akpm@linux-foundation.org>,
Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-parisc@vger.kernel.org, linux-mm@kvack.org
Subject: Re: 4.0-rc1/PARISC: BUG: non-zero nr_pmds on freeing mm
Date: Wed, 25 Feb 2015 22:21:30 +0200 [thread overview]
Message-ID: <20150225202130.GA31491@node.dhcp.inet.fi> (raw)
In-Reply-To: <20150224225454.GA14117@fuloong-minipc.musicnaut.iki.fi>
On Wed, Feb 25, 2015 at 12:54:54AM +0200, Aaro Koskinen wrote:
> Hi,
>
> Here's a kernel config to reproduce the issue (no special steps needed,
> just boot to userspace), and bootlog after that:
>
> #
> # Automatically generated file; DO NOT EDIT.
> # Linux/parisc 4.0.0-rc1 Kernel Configuration
...
> [ 18.940000] BUG: non-zero nr_pmds on freeing mm: -6
It happens due missing __PAGETABLE_PMD_FOLDED in custom page table
folding. This has been fixed in CONFIG_PGTABLE_LEVELS patcheset.
Andrew, are you going to submit that patchset to Linus in this cycle?
If not, I can prepare a patchset which only adds missing
__PAGETABLE_PUD_FOLDED and __PAGETABLE_PMD_FOLDED.
--
Kirill A. Shutemov
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next prev parent reply other threads:[~2015-02-25 20:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-24 22:54 Aaro Koskinen
2015-02-25 20:21 ` Kirill A. Shutemov [this message]
2015-02-25 20:30 ` Andrew Morton
2015-02-25 20:47 ` Kirill A. Shutemov
2015-02-25 21:31 ` Andrew Morton
2015-02-25 21:57 ` Kirill A. Shutemov
2015-02-25 22:13 ` Andrew Morton
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