linux-kernel - [PATCH] mm/zsmalloc: fix build warning from lkp testing

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Message-ID: <20240708074223.1113744-1-alexs@kernel.org>
Date: Mon,  8 Jul 2024 15:42:23 +0800
From: alexs@...nel.org
To: alexs@...nel.org
Cc: 42.hyeyoo@...il.com,
	akpm@...ux-foundation.org,
	david@...hat.com,
	linmiaohe@...wei.com,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	minchan@...nel.org,
	nphamcs@...il.com,
	senozhatsky@...omium.org,
	vitaly.wool@...sulko.com,
	willy@...radead.org,
	yosryahmed@...gle.com,
	kernel test robot <lkp@...el.com>
Subject: [PATCH] mm/zsmalloc: fix build warning from lkp testing

From: "Alex Shi (Tencent)" <alexs@...nel.org>

LKP reported the following warning w/o CONFIG_DEBUG_VM:
	mm/zsmalloc.c:471:12: warning: function 'is_first_zpdesc' is not
	needed and will not be emitted [-Wunneeded-internal-declaration]
To remove this warning, better to incline the function is_first_zpdesc

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407052102.qbT7nLMK-lkp@intel.com/
Signed-off-by: Alex Shi (Tencent) <alexs@...nel.org>
---
 mm/zsmalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 7f8e02df4e3e..64e523ae71f8 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -468,7 +468,7 @@ static DEFINE_PER_CPU(struct mapping_area, zs_map_area) = {
 	.lock	= INIT_LOCAL_LOCK(lock),
 };
 
-static int is_first_zpdesc(struct zpdesc *zpdesc)
+static inline bool is_first_zpdesc(struct zpdesc *zpdesc)
 {
 	return PagePrivate(zpdesc_page(zpdesc));
 }
-- 
2.43.0