linux-kernel - Re: [RESEND PATCH 3/3] Add tests for lock on fault

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Message-ID: <556DCB05.1010102@osg.samsung.com>
Date:	Tue, 02 Jun 2015 09:25:57 -0600
From:	Shuah Khan <shuahkh@....samsung.com>
To:	Eric B Munson <emunson@...mai.com>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [RESEND PATCH 3/3] Add tests for lock on fault

On 05/29/2015 08:13 AM, Eric B Munson wrote:
> Test the mmap() flag, the mlockall() flag, and ensure that mlock limits
> are respected.  Note that the limit test needs to be run a normal user.
> 
> Signed-off-by: Eric B Munson <emunson@...mai.com>
> Cc: Shuah Khan <shuahkh@....samsung.com>
> Cc: linux-mm@...ck.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-api@...r.kernel.org
> ---
>  tools/testing/selftests/vm/Makefile         |   8 +-
>  tools/testing/selftests/vm/lock-on-fault.c  | 145 ++++++++++++++++++++++++++++
>  tools/testing/selftests/vm/on-fault-limit.c |  47 +++++++++
>  tools/testing/selftests/vm/run_vmtests      |  23 +++++
>  4 files changed, 222 insertions(+), 1 deletion(-)
>  create mode 100644 tools/testing/selftests/vm/lock-on-fault.c
>  create mode 100644 tools/testing/selftests/vm/on-fault-limit.c
> 
> diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
> index a5ce953..32f3d20 100644
> --- a/tools/testing/selftests/vm/Makefile
> +++ b/tools/testing/selftests/vm/Makefile
> @@ -1,7 +1,13 @@
>  # Makefile for vm selftests
>  
>  CFLAGS = -Wall
> -BINARIES = hugepage-mmap hugepage-shm map_hugetlb thuge-gen hugetlbfstest
> +BINARIES = hugepage-mmap
> +BINARIES += hugepage-shm
> +BINARIES += hugetlbfstest
> +BINARIES += lock-on-fault
> +BINARIES += map_hugetlb
> +BINARIES += on-fault-limit
> +BINARIES += thuge-gen
>  BINARIES += transhuge-stress
>  
>  all: $(BINARIES)
> diff --git a/tools/testing/selftests/vm/lock-on-fault.c b/tools/testing/selftests/vm/lock-on-fault.c
> new file mode 100644
> index 0000000..e6a9688

Hi Eric,

Could you please make sure make kselftest run from kernel main
Makefile works and tools/testing/selftests/kselftest_install.sh
works. For now you have to be in tools/testing/selftests to run
kselftest_install.sh

thanks,
-- Shuah


-- 
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh@....samsung.com | (970) 217-8978
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