From: Hugh Dickins <hugh@veritas.com>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com>,
Andrew Morton <akpm@osdl.org>, Bill Irwin <wli@holomorphy.com>,
Adam Litke <agl@us.ibm.com>,
linux-mm@kvack.org
Subject: Re: [PATCH 2/3] hugetlb: fix prio_tree unit
Date: Thu, 26 Oct 2006 09:13:28 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.64.0610260907390.6235@blonde.wat.veritas.com> (raw)
In-Reply-To: <20061026034739.GA6046@localhost.localdomain>
On Thu, 26 Oct 2006, David Gibson wrote:
> +
> + /* This part of the test makes the problem more obvious, but
> + * is not essential. It can't be done on powerpc, where
> + * segment restrictions prohibit us from performing such a
> + * mapping, so skip it there */
> +#if !defined(__powerpc__) && !defined(__powerpc64__)
> + /* Replace middle hpage by tinypage mapping to trigger
> + * nr_ptes BUG */
I should add, I expect you'll need to extend that #if'ing to exclude
at least ia64 too, won't you? No architecture that segregates its
hugepage virtual address space will manage the interposed tinypage.
Hugh
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next prev parent reply other threads:[~2006-10-26 8:13 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-25 2:31 [PATCH 1/3] hugetlb: fix size=4G parsing Hugh Dickins
2006-10-25 2:35 ` [PATCH 2/3] hugetlb: fix prio_tree unit Hugh Dickins
2006-10-25 7:08 ` David Gibson
2006-10-25 7:41 ` Hugh Dickins
2006-10-25 23:49 ` Chen, Kenneth W
2006-10-26 3:47 ` David Gibson
2006-10-26 6:15 ` Chen, Kenneth W
2006-10-26 7:55 ` Hugh Dickins
2006-10-26 8:13 ` Hugh Dickins [this message]
2006-10-26 10:42 ` David Gibson
2006-10-25 2:38 ` [PATCH 3/3] hugetlb: fix absurd HugePages_Rsvd Hugh Dickins
2006-10-25 5:23 ` Mika Penttilä
2006-10-25 5:52 ` David Gibson
2006-10-25 7:27 ` Hugh Dickins
2006-10-25 6:26 ` David Gibson
2006-10-25 6:29 ` David Gibson
2006-10-25 8:39 ` Hugh Dickins
2006-10-25 10:09 ` David Gibson
2006-10-26 3:59 ` Chen, Kenneth W
2006-10-26 4:13 ` 'David Gibson'
2006-10-26 19:08 ` Christoph Lameter
2006-10-26 19:19 ` Chen, Kenneth W
2006-10-26 20:59 ` Christoph Lameter
2006-10-26 22:19 ` 'David Gibson'
2006-10-25 21:31 ` Adam Litke
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