linux-kernel - [tip:perf/core] perf hist: Remove the needless callchain.h include from hist.h

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Date:   Sat, 9 Feb 2019 04:36:38 -0800
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     acme@...hat.com, mingo@...nel.org, namhyung@...nel.org,
        linux-kernel@...r.kernel.org, jolsa@...nel.org, hpa@...or.com,
        tglx@...utronix.de, adrian.hunter@...el.com
Subject: [tip:perf/core] perf hist: Remove the needless callchain.h include
 from hist.h

Commit-ID:  71551288d2fde0c24df3c248e3e80be92783376d
Gitweb:     https://git.kernel.org/tip/71551288d2fde0c24df3c248e3e80be92783376d
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Tue, 29 Jan 2019 12:04:58 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 6 Feb 2019 10:00:38 -0300

perf hist: Remove the needless callchain.h include from hist.h

Nothing that is provided by callchain.h is used there, just things that
should've be directly included in hist.h, such as rbtree.h and a
map_symbol forward declaration.

Remove it so that we reduce the headers dependency tree.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: https://lkml.kernel.org/n/tip-zivvqfx93w5zzur7hr7h0nlh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/hist.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 38a72eb81427..6b872079ead5 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -2,9 +2,9 @@
 #ifndef __PERF_HIST_H
 #define __PERF_HIST_H
 
+#include <linux/rbtree.h>
 #include <linux/types.h>
 #include <pthread.h>
-#include "callchain.h"
 #include "evsel.h"
 #include "header.h"
 #include "color.h"
@@ -13,6 +13,7 @@
 struct hist_entry;
 struct hist_entry_ops;
 struct addr_location;
+struct map_symbol;
 struct mem_info;
 struct branch_info;
 struct symbol;