From: Adrian Hunter <adrian.hunter@intel.com>
Date: Mon, 9 Dec 2013 13:18:38 +0000 (+0200)
Subject: perf evlist: Fix max mmap_pages
X-Git-Tag: v3.14-rc1~171^2~15^2~26
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f5ae9c424e4c80c44e9ab7e5ff4a6b79490c23be;p=kernel%2Fkernel-generic.git

perf evlist: Fix max mmap_pages

'SIZE_MAX / page_size' is an upper limit for the maximum number of mmap
pages, not a lower limit.  Change the condition accordingly.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1386595120-22978-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 4d0945c..98ec96b 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -754,7 +754,7 @@ int perf_evlist__parse_mmap_pages(const struct option *opt, const char *str,
 	unsigned long max = UINT_MAX;
 	long pages;
 
-	if (max < SIZE_MAX / page_size)
+	if (max > SIZE_MAX / page_size)
 		max = SIZE_MAX / page_size;
 
 	pages = parse_pages_arg(str, 1, max);