CMA (cross memory attach) patch introduced 2 new syscalls:
process_vm_readv
process_vm_writev

Check in configure if these are supported.

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 configure.ac  |    1 +
 m4/ltp-cma.m4 |   67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 m4/ltp-cma.m4