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From: Valdis.Kletnieks@vt.edu
To: Andi Kleen <ak@linux.intel.com>
Cc: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
	Andi Kleen <andi@firstfloor.org>,
	akpm@linux-foundation.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, Hillf Danton <dhillf@gmail.com>
Subject: Re: [PATCH] MM: Support more pagesizes for MAP_HUGETLB/SHM_HUGETLB v6
Date: Tue, 23 Oct 2012 18:56:40 -0400	[thread overview]
Message-ID: <79194.1351033000@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Mon, 22 Oct 2012 08:36:33 -0700." <20121022153633.GK2095@tassilo.jf.intel.com>

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On Mon, 22 Oct 2012 08:36:33 -0700, Andi Kleen said:

> Thinking about it more PowerPC has a 16GB page, so we probably
> need to move this to prot.

Gaak - is that a typo?  If not, what is the use case - allowing a small number of
pages to cover all memory, with big wins on TLB hit ratios?  I certainly can't see
it as a sane primitive for a virtual memory design that does paging/swapping?

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  parent reply	other threads:[~2012-10-23 22:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-19 16:48 Andi Kleen
2012-10-20  3:39 ` Hillf Danton
2012-10-22 11:27 ` Michael Kerrisk
2012-10-22 13:27   ` Andi Kleen
2012-10-22 13:35     ` Andi Kleen
2012-10-22 13:56       ` Michael Kerrisk (man-pages)
2012-10-22 15:36         ` Andi Kleen
2012-10-22 15:53           ` Michael Kerrisk (man-pages)
2012-10-22 16:11             ` Andi Kleen
2012-10-22 16:23               ` Michael Kerrisk (man-pages)
2012-10-22 16:29                 ` Andi Kleen
2012-10-22 16:42                   ` Michael Kerrisk (man-pages)
2012-10-23  1:45                 ` Benjamin Herrenschmidt
2012-10-23  1:44             ` Benjamin Herrenschmidt
2012-10-23  2:28               ` Andi Kleen
2012-10-23  7:37                 ` Michael Kerrisk (man-pages)
2012-10-23 13:39                   ` Andi Kleen
2012-10-23 22:56           ` Valdis.Kletnieks [this message]
2012-10-22 21:39     ` Andrew Morton

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