[CRIU] [PATCH] travis/lazy-pages: exclude lazy-thp for older kernels

[Mike Rapoport]

On Mon, Oct 16, 2017 at 12:59:51PM -0700, Andrei Vagin wrote:
> On Sun, Oct 15, 2017 at 09:16:40AM +0300, Mike Rapoport wrote:
> > The lazy-thp may fail with older kernels if khugepaded will be fast enough
> > to merge pages in the partially populated areas.
> > 
> > Signed-off-by: Mike Rapoport <rppt at linux.vnet.ibm.com>
> > ---
> >  scripts/travis/travis-tests | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/scripts/travis/travis-tests b/scripts/travis/travis-tests
> > index c2167a8..6cfc81f 100755
> > --- a/scripts/travis/travis-tests
> > +++ b/scripts/travis/travis-tests
> > @@ -84,7 +84,7 @@ if [ $KERN_MAJ -ge "4" ] && [ $KERN_MIN -ge "11" ]; then
> >  else
> >  	LAZY_EXCLUDE="-x maps007 -x fork -x fork2 -x uffd-events -x cgroupns
> >  		      -x socket_listen -x socket_listen6 -x cmdlinenv00
> > -		      -x socket_close_data01 -x file_read"
> > +		      -x socket_close_data01 -x file_read -x lazy-thp"
> 
> I use this script to run tests on linux-next. Maybe we can do something
> like this:
> 
> criu check --feature XXX || {
> 	LAZY_EXCLUDE="$LAZY_EXCLUDE -x lazy-thp"
> }
 
The patch excludes lazy-thp for kernels <4.11

> >  fi
> >  LAZY_EXCLUDE="$LAZY_EXCLUDE -x maps04"
> >  
> > -- 
> > 2.7.4
> > 
> 

-- 
Sincerely yours,
Mike.