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

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On Tue, 02 Jun 2015, Shuah Khan wrote:

> 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@xxxxxxxxxx>
> > Cc: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
> > Cc: linux-mm@xxxxxxxxx
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > Cc: linux-api@xxxxxxxxxxxxxxx
> > ---
> >  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
> 

I am working on getting V2 ready, I will ensure these work and make any
necessary adjustments before sending V2 out.

Eric

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