From: Andi Kleen <ak@linux.intel.com>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: 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: Mon, 22 Oct 2012 09:29:29 -0700 [thread overview]
Message-ID: <20121022162929.GN2095@tassilo.jf.intel.com> (raw)
In-Reply-To: <CAKgNAkjsGp9HUpvhUfqbXnfrLbBsQRAKvOs=41-w3ZAE7yX+cA@mail.gmail.com>
> Since PowerPC already allows 16GB page sizes, doesn't there need to be
> allowance for the possibility of future expansion? Choosing a larger
> minimum size (like 2^16) would allow that. Does the minimum size need
> to be 16k? (Surely, if you want a HUGEPAGE, you want a bigger page
> than that? I am not sure.)
Some architectures have configurable huge page sizes, so it depends on
the user. I thought 16K is reasonable. Can make it larger too.
But I personally consider even 16GB pages somewhat too big.
-Andi
--
ak@linux.intel.com -- Speaking for myself only
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next prev parent reply other threads:[~2012-10-22 16:29 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 [this message]
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
2012-10-22 21:39 ` Andrew Morton
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