linux-kernel - Re: howto get a patch merged (WAS: Re: -mm merge plans for 2.6.23)

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Message-ID: <20070725160743.GB8284@elte.hu>
Date:	Wed, 25 Jul 2007 18:07:43 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Kacper Wysocki <kacperw@...ine.no>
Cc:	Rene Herman <rene.herman@...il.com>, david@...g.hm,
	Nick Piggin <nickpiggin@...oo.com.au>, Valdis.Kletnieks@...edu,
	Ray Lee <ray-lk@...rabbit.org>, linux-kernel@...r.kernel.org,
	ck list <ck@....kolivas.org>, linux-mm@...ck.org,
	Paul Jackson <pj@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jesper Juhl <jesper.juhl@...il.com>
Subject: Re: howto get a patch merged (WAS: Re: -mm merge plans for 2.6.23)


* Kacper Wysocki <kacperw@...ine.no> wrote:

> [snip howto get a patch merged]

> > But a "here is a solution, take it or leave it" approach, before 
> > having communicated the problem to the maintainer and before having 
> > debugged the problem is the wrong way around. It might still work 
> > out fine if the solution is correct (especially if the patch is 
> > small and obvious), but if there are any non-trivial tradeoffs 
> > involved, or if nontrivial amount of code is involved, you might see 
> > your patch at the end of a really long (and constantly growing) 
> > waiting list of patches.
> 
> Is that what happened with swap prefetch these two years? The approach 
> has been wrong?

i dont know - but one of the maintainers of the code (Nick) says that he 
asked for but did not get debug feedback:

> > > And yet despite my repeated pleas, none of those people has yet 
> > > spent a bit of time with me to help analyse what is happening.

Con, the maintainer of -ck, certainly has (or had, when he maintained 
it) enough clout to coordinate such an effort between non-developer -ck 
users and the MM maintainers. Maybe he attempted to do that and has 
tried to provide debug feedback to MM maintainers?

	Ingo
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