diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-12-16 19:24:41 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-12-17 17:58:16 +0300 |
| commit | 91529834d1dea9afccb72843c3e547e703ec177f (patch) | |
| tree | 1e3c50d8fc95876a367bde378a74813a43a479b2 | |
| parent | bd1857948e7667313f9a7bee9b2492c0848174a6 (diff) | |
| download | linux-91529834d1dea9afccb72843c3e547e703ec177f.tar.xz | |
perf evlist: Use roundup_pow_of_two
And remove the equivalent next_pow2{_l} functions.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-hl9ct3wcbs5deai3v5ljmuws@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/evlist.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/util.h | 18 |
2 files changed, 1 insertions, 19 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 7d88327d94a9..cbab1fb77b1d 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -948,7 +948,7 @@ static long parse_pages_arg(const char *str, unsigned long min, /* leave number of pages at 0 */ } else if (!is_power_of_2(pages)) { /* round pages up to next power of 2 */ - pages = next_pow2_l(pages); + pages = roundup_pow_of_two(pages); if (!pages) return -EINVAL; pr_info("rounding mmap pages size to %lu bytes (%lu pages)\n", diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 25b22bbea066..be198ac27031 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -269,24 +269,6 @@ void event_attr_init(struct perf_event_attr *attr); #define _STR(x) #x #define STR(x) _STR(x) -static inline unsigned next_pow2(unsigned x) -{ - if (!x) - return 1; - return 1ULL << (32 - __builtin_clz(x - 1)); -} - -static inline unsigned long next_pow2_l(unsigned long x) -{ -#if BITS_PER_LONG == 64 - if (x <= (1UL << 31)) - return next_pow2(x); - return (unsigned long)next_pow2(x >> 32) << 32; -#else - return next_pow2(x); -#endif -} - size_t hex_width(u64 v); int hex2u64(const char *ptr, u64 *val); |