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Re: ext4dev build failure on mips: "empty_zero_page" undefined

To: "Theodore Tso" <tytso@MIT.EDU>
Subject: Re: ext4dev build failure on mips: "empty_zero_page" undefined
From: "Vorobiev Dmitri" <dmitri.vorobiev@movial.fi>
Date: Fri, 6 Jun 2008 00:34:10 +0300 (EEST)
Cc: "Dmitri Vorobiev" <dmitri.vorobiev@movial.fi>, "Martin Michlmayr" <tbm@cyrius.com>, "Ralf Baechle" <ralf@linux-mips.org>, "Dmitri Vorobiev" <dmitri.vorobiev@gmail.com>, linux-mips@linux-mips.org, linux-ext4@vger.kernel.org
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Theodore Tso wrote:
>
> If you really insist I suppose we could have a MIPS specific patch
> where we allocate a 4k page and zero it, so we can use it from our
> kernel code because you don't want to export and make available the
> ZERO_PAGE that gets used by the rest of the kernel, but that seems
> awfully silly, and would be a waste of 4k of memory.....  Someone from
> MIPS land would have to test it, as well, as I dont think any of the
> ext4 developers have access to a MIPS platform.

Ted, Ralf seems to be unwilling to accept the ZERO_PAGE() export. If you
send the MIPS-specific patch, I can do the testing for you as I have a
MIPS Malta board at my disposal.

Thanks,
Dmitri

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