From: Philippe Ombredanne <pombredanne@nexb.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
"H . Peter Anvin" <hpa@zytor.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4] selftest/vm: Move the 128 TB mmap boundary test to the generic VM directory
Date: Mon, 8 Jan 2018 17:51:01 +0100 [thread overview]
Message-ID: <CAOFm3uHbs7_8+YWo9-8AWauK7Hx8E-v8M1w6Du23ZUvHHfFOjw@mail.gmail.com> (raw)
In-Reply-To: <20180108161435.e3jjrttk57lib63a@gmail.com>
Anesh,
On Mon, Jan 8, 2018 at 5:14 PM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> wrote:
>
>> Architectures like ppc64 do support mmap hint addr based large address space
>> selection. This test can be run on those architectures too. Move the test to
>> selftest/vm so that other archs can use the same.
>>
>> We also add a few new test scenarios in this patch. We do test few boundary
>> condition before we do a high address mmap. ppc64 use the addr limit to validate
>> addr in the fault path. We had bugs in this area w.r.t slb fault handling
>> before we updated the addr limit.
>>
>> We also touch the allocated space to make sure we don't have any bugs in the
>> fault handling path.
>>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
<snip>
> --- /dev/null
> +++ b/tools/testing/selftests/vm/va_128TBswitch.c
> @@ -0,0 +1,297 @@
> +/*
> + *
> + * Authors: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> + * Authors: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License, version 2, as
> + * published by the Free Software Foundation.
> +
> + * This program is distributed in the hope that it would be useful, but
> + * WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> + *
> + */
Would you mind using an SPDX tag instead of this fine legalese?
See Thomas doc [1] for details.
Thanks!
[1] https://lkml.org/lkml/2017/12/28/323
--
Cordially
Philippe Ombredanne
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prev parent reply other threads:[~2018-01-08 16:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-23 16:52 [PATCH V3] selftest/vm: Move 128TB mmap boundary test to generic directory Aneesh Kumar K.V
2018-01-08 16:14 ` [PATCH v4] selftest/vm: Move the 128 TB mmap boundary test to the generic VM directory Ingo Molnar
2018-01-08 16:51 ` Philippe Ombredanne [this message]
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