linux-kernel - [PATCH 2/3] include/linux/logging.h: Reduce data usage of printk

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <0657138fc813c32c20a38949b5646f4c61790cad.1252639196.git.joe@perches.com>
Date:	Thu, 10 Sep 2009 20:29:41 -0700
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org
Cc:	Ingo Molnar <mingo@...e.hu>, Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH 2/3] include/linux/logging.h: Reduce data usage of printk_once

Use bool for int
Don't initialize __printk_once, invert test

Signed-off-by: Joe Perches <joe@...ches.com>
---
 include/linux/logging.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/logging.h b/include/linux/logging.h
index 361d5ed..d76ccfa 100644
--- a/include/linux/logging.h
+++ b/include/linux/logging.h
@@ -91,10 +91,10 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
  */
 #define printk_once(fmt, ...) \
 ({						\
-	static int __print_once = 1;		\
+	static bool __print_once;		\
 						\
-	if (__print_once) {			\
-		__print_once = 0;		\
+	if (!__print_once) {			\
+		__print_once = true;		\
 		printk(fmt, ##__VA_ARGS__);	\
 	}					\
 })
-- 
1.6.3.1.10.g659a0.dirty

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/