perf tools: Convert getpagesize() uses to sysconf(_SC_GETPAGESIZE)

Using the more portable and equivalent sysconf call.

Reported-by: Aristeu Rozanski <aris@redhat.com>
Reported-by: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ulrich Drepper <drepper@redhat.com>
LKML-Reference: <1263501006-14185-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 604e14f6a6f9..1951e330377c 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -384,7 +384,7 @@ int perf_session__process_events(struct perf_session *self,
 
         perf_event_ops__fill_defaults(ops);
 
-        page_size = getpagesize();
+        page_size = sysconf(_SC_PAGESIZE);
 
         head = self->header.data_offset;
 
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index 407fd65b6cdb..5ea8973ad331 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -515,7 +515,7 @@ int read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events)
         write_or_die(buf, 1);
 
         /* save page_size */
-        page_size = getpagesize();
+        page_size = sysconf(_SC_PAGESIZE);
         write_or_die(&page_size, 4);
 
         read_header_files();