linux-kernel - Re: [PATCH v2 1/4] mm: completely disable THP by transparent

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Message-ID: <alpine.DEB.2.00.1106212322510.14693@chino.kir.corp.google.com>
Date:	Tue, 21 Jun 2011 23:23:47 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Cong Wang <amwang@...hat.com>
cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <jweiner@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-doc@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v2 1/4] mm: completely disable THP by
 transparent_hugepage=0

On Wed, 22 Jun 2011, Cong Wang wrote:

> > If you're proposing a patch for a specific purpose, it's appropriate to
> > include that in the changelog.
> 
> Sorry, I can't put everything you don't see into the changelog.
> 

As far as changelogs go, yes, we can demand that.

> > 
> > But now that I know what you're proposing this for, it's an easy NACK:
> > transparent_hugepage=0 has no significant benefit over
> > transparent_hugepage=never for kdump because the memory savings is
> > negligible.
> 
> I hate to repeat things, sorry, please go for the other thread where I
> replied to Andrea.
> 

All of this needs to be in the changelog if you want your patches to even 
be considered, thanks.
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