linux-kernel - Re: [PATCH 0/8] v2 De-Couple sysfs memory directories from memory sections

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Message-ID: <4CA2F9A2.3090202@redhat.com>
Date:	Wed, 29 Sep 2010 10:32:34 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Greg KH <greg@...ah.com>
CC:	Robin Holt <holt@....com>, Nathan Fontenot <nfont@...tin.ibm.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linuxppc-dev@...abs.org, Dave Hansen <dave@...ux.vnet.ibm.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH 0/8] v2 De-Couple sysfs memory directories from memory
 sections

  On 09/29/2010 04:50 AM, Greg KH wrote:
> >
> >  Because the old ABI creates 129,000+ entries inside
> >  /sys/devices/system/memory with their associated links from
> >  /sys/devices/system/node/node*/ back to those directory entries.
> >
> >  Thankfully things like rpm, hald, and other miscellaneous commands scan
> >  that information.
>
> Really?  Why?  Why would rpm care about this?  hald is dead now so we
> don't need to worry about that anymore,

That's not what compatiblity means.  We can't just support 
latest-and-greatest userspace on latest-and-greatest kernels.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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