linux-kernel - Re: [PATCH 0/13] maps: pagemap, kpagemap, and related cleanups

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Message-ID: <461F2BCB.2020200@yahoo.com.au>
Date:	Fri, 13 Apr 2007 17:05:47 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	William Lee Irwin III <wli@...omorphy.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Matt Mackall <mpm@...enic.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/13] maps: pagemap, kpagemap, and related cleanups

William Lee Irwin III wrote:
> Andrew Morton wrote:
> 
>>>Then you just end up with the same thing, don't you?
> 
> 
> On Fri, Apr 13, 2007 at 12:50:20PM +1000, Nick Piggin wrote:
> 
>>Well _you_ do, because that happens to be exactly what you want. Bill
>>ends up with something that displays page_mapcount instead. And I
>>end up with something that traverses LRU lists rather than pfns. And
>>none of it goes in /proc/ or linux-2.6/.
>>So it isn't really the same thing at all.
> 
> 
> The EM guys aren't dealing with the database; they're dealing with some
> enterprise management thingie that does things like control how many
> client connections are allowed for each database instance. Unless
> they're doing less than I expect, and are largely something like procps
> on steroids and enterprise silliness.

Ah, OK. Anyway, with kprobes/systemtap they can do whatever they like
and none of us need to care in the slightest ;)

-- 
SUSE Labs, Novell Inc.
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