From 125009026bfc9ec929975d35344bf69d2c636e95 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu, 22 Aug 2019 16:58:29 -0300
Subject: perf cacheline: Move cacheline related routines to separate files

To disentangle util/sort.h a bit more.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-6kbf2cauas06rbqp15pyter5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/cacheline.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 tools/perf/util/cacheline.h

(limited to 'tools/perf/util/cacheline.h')

diff --git a/tools/perf/util/cacheline.h b/tools/perf/util/cacheline.h
new file mode 100644
index 000000000000..dec8c0fb1f4a
--- /dev/null
+++ b/tools/perf/util/cacheline.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef PERF_CACHELINE_H
+#define PERF_CACHELINE_H
+
+#include <linux/compiler.h>
+
+int __pure cacheline_size(void);
+
+static inline u64 cl_address(u64 address)
+{
+	/* return the cacheline of the address */
+	return (address & ~(cacheline_size() - 1));
+}
+
+static inline u64 cl_offset(u64 address)
+{
+	/* return the cacheline of the address */
+	return (address & (cacheline_size() - 1));
+}
+
+#endif // PERF_CACHELINE_H
-- 
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