The patch titled
add WARN_ON_SECS macro
has been added to the -mm tree. Its filename is
add-warn_on_secs-macro.patch
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------------------------------------------------------
Subject: add WARN_ON_SECS macro
From: Dave Young <hidave.darkstar@xxxxxxxxx>
Add WARN_ON_SECS macro for some serious cases which need to repeat the
warnings, but with some ratelimiting.
Signed-off-by: Dave Young <hidave.darkstar@xxxxxxxxx>
Acked-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-generic/bug.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff -puN include/asm-generic/bug.h~add-warn_on_secs-macro include/asm-generic/bug.h
--- a/include/asm-generic/bug.h~add-warn_on_secs-macro
+++ a/include/asm-generic/bug.h
@@ -3,6 +3,7 @@
#include <linux/compiler.h>
+
#ifdef CONFIG_BUG
#ifdef CONFIG_GENERIC_BUG
@@ -75,6 +76,13 @@ extern void warn_on_slowpath(const char
unlikely(__ret_warn_once); \
})
+#define WARN_ON_SECS(condition, secs) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) \
+ if (__ratelimit(secs * HZ, 1)) \
+ WARN_ON(condition); \
+})
+
#ifdef CONFIG_SMP
# define WARN_ON_SMP(x) WARN_ON(x)
#else
_
Patches currently in -mm which might be from hidave.darkstar@xxxxxxxxx are
add-time_is_after_jiffies-and-others-which-compare-with-jiffies.patch
git-net.patch
isolate-ratelimit-from-printkc-for-other-use.patch
add-warn_on_secs-macro.patch
use-warn_on_secs-in-rcupreempth.patch
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