Re: [PATCH 03/10] mm: Convert p[te|md]_numa users to p[te|md]_protnone_numa

From: Aneesh Kumar K.V
Date: Wed Dec 03 2014 - 12:20:45 EST

Mel Gorman <mgorman@xxxxxxx> writes:

> On Wed, Dec 03, 2014 at 08:53:37PM +0530, Aneesh Kumar K.V wrote:
>> Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> writes:
>> > On Tue, 2014-12-02 at 12:57 +0530, Aneesh Kumar K.V wrote:
>> >> Now, hash_preload can possibly insert an hpte in hash page table even if
>> >> the access is not allowed by the pte permissions. But i guess even that
>> >> is ok. because we will fault again, end-up calling hash_page_mm where we
>> >> handle that part correctly.
>> >
>> > I think we need a test case...
>> >
>> I ran the subpageprot test that Paul had written. I modified it to ran
>> with selftest.
> It's implied but can I assume it passed?


-bash-4.2# ./subpage_prot
test: subpage_prot
tags: git_version:v3.17-rc3-13511-g0cd3756
allocated malloc block of 0x4000000 bytes at 0x0x3fffb0d10000
testing malloc block...
success: subpage_prot

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