linux-kernel - Re: [PATCH] Add tracepoints to track pagecache transition

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Message-ID: <20090219185154.GA24117@infradead.org>
Date:	Thu, 19 Feb 2009 13:51:54 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Atsushi Tsuji <a-tsuji@...jp.nec.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, Jason Baron <jbaron@...hat.com>,
	Ingo Molnar <mingo@...e.hu>,
	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Kazuto Miyoshi <miyoshi@...ux.bs1.fc.nec.co.jp>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Hugh Dickins <hugh@...itas.com>
Subject: Re: [PATCH] Add tracepoints to track pagecache transition

On Tue, Feb 17, 2009 at 10:24:46AM -0500, Steven Rostedt wrote:
> 
> On Tue, 17 Feb 2009, Atsushi Tsuji wrote:
> > > 
> > > This is rather asymmetric, why don't we care about the offset for the
> > > removed page?
> > > 
> > 
> > Indeed.
> > I added the offset to the argument for the removed page and resend fixed patch.
> > 
> > Signed-off-by: Atsushi Tsuji <a-tsuji@...jp.nec.com>
> 
> Could you package it up in one patch again and resend with [PATCH v2].
> Also make sure to Cc the memory folks, and ask for an Acked-by from them.

Well, until we actually get a consumer of those tracepoints, e.g. a
ftrace pluging into the tree strong NACK for me.

(p.s. I really don't get it why people keep trying to push dead code
 into the tree)

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