linux-kernel - [PATCH 1/3] lib/list_sort: Remove unnecessary header includes

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Message-Id: <20241012042828.471614-2-visitorckw@gmail.com>
Date: Sat, 12 Oct 2024 12:28:26 +0800
From: Kuan-Wei Chiu <visitorckw@...il.com>
To: akpm@...ux-foundation.org,
	acme@...nel.org
Cc: peterz@...radead.org,
	mingo@...hat.com,
	namhyung@...nel.org,
	mark.rutland@....com,
	alexander.shishkin@...ux.intel.com,
	jolsa@...nel.org,
	irogers@...gle.com,
	adrian.hunter@...el.com,
	kan.liang@...ux.intel.com,
	jserv@...s.ncku.edu.tw,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Kuan-Wei Chiu <visitorckw@...il.com>
Subject: [PATCH 1/3] lib/list_sort: Remove unnecessary header includes

After commit 043b3f7b6388 ("lib/list_sort: simplify and remove
MAX_LIST_LENGTH_BITS"), list_sort.c no longer uses ARRAY_SIZE() (which
required kernel.h and bug.h for BUILD_BUG_ON_ZERO via __must_be_array)
or memset() (which required string.h). As these headers are no longer
needed, removes them.

There are no changes to the generated code, as confirmed by
'objdump -d'. Additionally, 'wc -l' shows that the size of
lib/.list_sort.o.cmd is reduced from 259 lines to 101 lines.

Signed-off-by: Kuan-Wei Chiu <visitorckw@...il.com>
---
 lib/list_sort.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/lib/list_sort.c b/lib/list_sort.c
index 0fb59e92ca2d..8d3f623536fe 100644
--- a/lib/list_sort.c
+++ b/lib/list_sort.c
@@ -1,9 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <linux/kernel.h>
-#include <linux/bug.h>
 #include <linux/compiler.h>
 #include <linux/export.h>
-#include <linux/string.h>
 #include <linux/list_sort.h>
 #include <linux/list.h>
 
-- 
2.34.1