From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Roland Dreier <rdreier@cisco.com>, Eli Cohen <eli@mellanox.co.il>,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: FW: [PATCH] powerpc/mm: Export HPAGE_SHIFT
Date: Wed, 4 Feb 2009 16:31:38 +1100 [thread overview]
Message-ID: <200902041631.39784.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <20090203211329.d6190a08.akpm@linux-foundation.org>
On Wednesday 04 February 2009 16:13:29 Andrew Morton wrote:
> On Wed, 04 Feb 2009 12:50:48 +1100 Benjamin Herrenschmidt
> > Do the generic hugetlbfs code provides such an API ? If not, we may need
> > to add one.
>
> I think it's something like
>
> huge_page_size(page_hstate(page))
That would work if you have a page, yes. If you want to query which hugepage
sizes are available, then you probably want for_each_hstate() (which is only
within mm/hugetlb.c at the moment, but I have no objections to exporting it
and symbols it requires).
next prev parent reply other threads:[~2009-02-04 5:32 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-03 16:49 Eli Cohen
2009-02-04 1:08 ` FW: " Roland Dreier
2009-02-04 1:50 ` Benjamin Herrenschmidt
2009-02-04 5:13 ` Andrew Morton
2009-02-04 5:31 ` Nick Piggin [this message]
2009-02-04 6:17 ` wli
2009-02-04 6:16 ` Roland Dreier
2009-02-04 6:26 ` Andrew Morton
2009-02-04 19:11 ` Roland Dreier
2009-02-04 21:00 ` wli
2009-02-04 21:31 ` Roland Dreier
2009-02-04 21:23 ` Andrew Morton
2009-02-04 23:55 ` Benjamin Herrenschmidt
2009-02-05 5:10 ` Roland Dreier
2009-02-05 5:24 ` Benjamin Herrenschmidt
2009-02-05 5:33 ` Roland Dreier
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