perf evlist: Fix max mmap_pages
authorAdrian Hunter <[email protected]>
Mon, 9 Dec 2013 13:18:38 +0000 (15:18 +0200)
committerArnaldo Carvalho de Melo <[email protected]>
Mon, 9 Dec 2013 18:17:38 +0000 (15:17 -0300)
'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 <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
tools/perf/util/evlist.c

index 4d0945c96ab289f1aab35a10482f0aadb5ad7d73..98ec96b3a744d4cf51693119408fe8ef582cf0ff 100644 (file)
@@ -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);