From: Christoph Hellwig <hch@infradead.org>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
davem@davemloft.net
Subject: Re: [PATCH] register MADV_HUGEPAGE
Date: Sun, 17 Jan 2010 06:08:47 -0500 [thread overview]
Message-ID: <20100117110847.GA32212@infradead.org> (raw)
In-Reply-To: <20100116184642.GA5687@random.random>
On Sat, Jan 16, 2010 at 07:46:42PM +0100, Andrea Arcangeli wrote:
> From: Andrea Arcangeli <aarcange@redhat.com>
>
> In order to allow early shipping transparent hugepage feature enabled
> only inside MADV_HUGEPAGE and not globally to diminish the risk of
> unexpected performance regressions on non-hypervisor related usages
> I'd need this little define registered. This is also to avoid things
> like this:
NACK, usespace ABIs only go in when features are added. There's a more
than large enough chance that it will change for one reason or another.
And while transparent hugepages are a good feature to add, it's still in
a far to early stage to go on with it.
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prev parent reply other threads:[~2010-01-17 11:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-16 18:46 [PATCH] register MADV_HUGEPAGE Andrea Arcangeli
2010-01-17 11:08 ` Christoph Hellwig [this message]
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