linux-kernel - [tip:perf/urgent] perf evlist: Use roundup_pow_of

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Date:	Wed, 17 Dec 2014 22:33:01 -0800
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, peterz@...radead.org, efault@....de,
	dsahern@...il.com, mingo@...nel.org, tglx@...utronix.de,
	paulus@...ba.org, jolsa@...hat.com, adrian.hunter@...el.com,
	dzickus@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	eranian@...gle.com, bp@...e.de, namhyung@...nel.org,
	fweisbec@...il.com
Subject: [tip:perf/urgent] perf evlist: Use roundup_pow_of_two

Commit-ID:  91529834d1dea9afccb72843c3e547e703ec177f
Gitweb:     http://git.kernel.org/tip/91529834d1dea9afccb72843c3e547e703ec177f
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Tue, 16 Dec 2014 13:24:41 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 17 Dec 2014 11:58:16 -0300

perf evlist: Use roundup_pow_of_two

And remove the equivalent next_pow2{_l} functions.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-hl9ct3wcbs5deai3v5ljmuws@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evlist.c |  2 +-
 tools/perf/util/util.h   | 18 ------------------
 2 files changed, 1 insertion(+), 19 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 7d88327..cbab1fb 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 25b22bb..be198ac 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);
 
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