[PATCH libaio 18/28] harness: Use run-time _SC_PAGE_SIZE instead of build-time PAGESIZE

[PATCH libaio 18/28] harness: Use run-time _SC_PAGE_SIZE instead of build-time PAGESIZE

The getconf(1) command is inherently not cross-compilation friendly.
In addition PAGESIZE depends on the specific system, even within a
specific arch, so using a hard-coded value is never safe.

Signed-off-by: Guillem Jover <guillem@hadrons.org>
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Gbp-Pq: Topic upstream
Gbp-Pq: Name 0018-harness-Use-run-time-_SC_PAGE_SIZE-instead-of-build-.patch