From eaae7841ba83bb42dcac3177dc65f8dd974e6c0b Mon Sep 17 00:00:00 2001
From: Yury Norov <yury.norov@gmail.com>
Date: Thu, 6 May 2021 18:03:18 -0700
Subject: tools: sync lib/find_bit implementation

Add fast paths to find_*_bit() functions as per kernel implementation.

Link: https://lkml.kernel.org/r/20210401003153.97325-12-yury.norov@gmail.com
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Alexey Klimov <aklimov@redhat.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Sterba <dsterba@suse.com>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jianpeng Ma <jianpeng.ma@intel.com>
Cc: Joe Perches <joe@perches.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Stefano Brivio <sbrivio@redhat.com>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 tools/lib/find_bit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'tools/lib')

diff --git a/tools/lib/find_bit.c b/tools/lib/find_bit.c
index 589fd2f26f94..109aa7ffcf97 100644
--- a/tools/lib/find_bit.c
+++ b/tools/lib/find_bit.c
@@ -83,7 +83,7 @@ unsigned long _find_next_bit(const unsigned long *addr1,
 /*
  * Find the first set bit in a memory region.
  */
-unsigned long find_first_bit(const unsigned long *addr, unsigned long size)
+unsigned long _find_first_bit(const unsigned long *addr, unsigned long size)
 {
 	unsigned long idx;
 
@@ -100,7 +100,7 @@ unsigned long find_first_bit(const unsigned long *addr, unsigned long size)
 /*
  * Find the first cleared bit in a memory region.
  */
-unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size)
+unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size)
 {
 	unsigned long idx;
 
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