linux-kernel - Re: [PATCH] Revert "memory-hotplug: add 0x prefix to HEX block_size

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Message-ID: <20100408153745.GA4213@hack>
Date:	Thu, 8 Apr 2010 23:41:24 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Wu Fengguang <fengguang.wu@...el.com>,
	Andi Kleen <andi@...stfloor.org>, Greg KH <greg@...ah.com>,
	Gerald Schaefer <gerald.schaefer@...ibm.com>, stable@...nel.org
Subject: Re: [PATCH] Revert "memory-hotplug: add 0x prefix to HEX
	block_size_bytes"

On Thu, Apr 08, 2010 at 05:10:06PM +0200, Heiko Carstens wrote:
>From: Heiko Carstens <heiko.carstens@...ibm.com>
>
>Revert ba168fc37dea145deeb8fa9e7e71c748d2e00d74 "memory-hotplug: add 0x prefix
>to HEX block_size_bytes" since it changes the user space visible sysfs interface
>/sys/devices/system/memory/block_size_bytes.
>The change breaks existing user space applications which rely on the fact that
>the output does not contain the "0x" prefix.
>

Odd.

Which application relies on this? Isn't the application which should
be fixed?? It should use something like strtoul() which doesn't
rely on '0x' prefix.

Thanks.
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