Message-ID: <44F51CB7.4010504@cn.ibm.com>
Date: Wed, 30 Aug 2006 13:05:59 +0800
From: Yao Fei Zhu <walkinair@cn.ibm.com>
Reply-To: walkinair@cn.ibm.com
Organization: IBM
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To: walkinair@cn.ibm.com
CC: linux-kernel@vger.kernel.org, linux-mm@kvack.org, havelblue@us.ibm.com
Subject: Re: Swap file or device can't be recognized by kernel built with
 64K pages.
References: <44F50940.1010204@cn.ibm.com>
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Yao Fei Zhu wrote:

> Problem description:
> swap file or device can't be recognized by kernel built with 64K pages.
>
> Hardware Environment:
>    Machine type (p650, x235, SF2, etc.): B70+
>    Cpu type (Power4, Power5, IA-64, etc.): POWER5+
> Software Environment:
>    OS : SLES10 GMC
>    Kernel: 2.6.18-rc5
> Additional info:
>
> tc1:~ # uname -r
> 2.6.18-rc5-ppc64
>
> tc1:~ # zcat /proc/config.gz | grep 64K
> CONFIG_PPC_64K_PAGES=y
>
> tc1:~ # mkswap ./swap.file
> Assuming pages of size 65536 (not 4096)
> Setting up swapspace version 0, size = 4294901 kB

Should use mkswap -v1 to create a new style swap area.

>
> tc1:~ # swapon ./swap.file
> swapon: ./swap.file: Invalid argument
>
>
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