linux-kernel - [PATCH 5.15 327/913] lib: uninline simple

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Date:   Tue,  5 Apr 2022 09:23:09 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Alexey Dobriyan <adobriyan@...il.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 327/913] lib: uninline simple_strntoull() as well

From: Alexey Dobriyan <adobriyan@...il.com>

[ Upstream commit 839b395eb9c13ae56ea5fc3ca9802734a72293f0 ]

Codegen become bloated again after simple_strntoull() introduction

	add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-224 (-224)
	Function                                     old     new   delta
	simple_strtoul                                 5       2      -3
	simple_strtol                                 23      20      -3
	simple_strtoull                              119      15    -104
	simple_strtoll                               155      41    -114

Link: https://lkml.kernel.org/r/YVmlB9yY4lvbNKYt@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
Cc: Richard Fitzgerald <rf@...nsource.cirrus.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 lib/vsprintf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index ec07f6312445..0621bbb20e0f 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -54,8 +54,7 @@
 #include <linux/string_helpers.h>
 #include "kstrtox.h"
 
-static unsigned long long simple_strntoull(const char *startp, size_t max_chars,
-					   char **endp, unsigned int base)
+static noinline unsigned long long simple_strntoull(const char *startp, size_t max_chars, char **endp, unsigned int base)
 {
 	const char *cp;
 	unsigned long long result = 0ULL;
-- 
2.34.1