linux-kernel - Re: ia64 broken by transparent huge pages

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Message-ID: <AANLkTikZ+MmM9f0tidpccDAimtUkDvJ3N=3KE+xFxc63@mail.gmail.com>
Date:	Sun, 16 Jan 2011 13:05:15 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	"Luck, Tony" <tony.luck@...el.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-arch@...r.kernel.org
Subject: Re: ia64 broken by transparent huge pages - other arches too?

On Fri, Jan 14, 2011 at 11:21 PM, Benjamin Herrenschmidt
<benh@...nel.crashing.org> wrote:
>
> This is insane. Having such a massively invasive change to the whole mm,
> barely tested on most architecture, and last I heard still generally
> controversial being merged like that without even some integration
> testing via -next makes no sense.
>
> Linus, wtf is going on ?

I pretty much take anything from Andrew, unless I hate it (and the
latest version of the transparent huge-page was ok).

That said, I did think that Andrew's -mm tree was in -next, and there
clearly is some serious problem wrt -mm and -next if this wasn't
caught earlier there.

I was also expecting the fixups to come through Andrew, and they
haven't. I can apply whatever people agree is sane, but right now I
don't even know what the final patch for this problem is.

                        Linus
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