Replace open-coded rate limiting logic with __ratelimit().
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
---
arch/sparc/kernel/unaligned_64.c | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index 378ca82..f03641f 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -21,6 +21,7 @@
#include <linux/smp.h>
#include <linux/bitops.h>
#include <linux/perf_event.h>
+#include <linux/ratelimit.h>
#include <asm/fpumacro.h>
enum direction {
@@ -274,13 +275,9 @@ static void kernel_mna_trap_fault(int fixup_tstate_asi)
static void log_unaligned(struct pt_regs *regs)
{
- static unsigned long count, last_time;
+ static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
- if (time_after(jiffies, last_time + 5 * HZ))
- count = 0;
- if (count < 5) {
- last_time = jiffies;
- count++;
+ if (__ratelimit(&ratelimit)) {
printk("Kernel unaligned access at TPC[%lx] %pS\n",
regs->tpc, (void *) regs->tpc);
}
--
1.6.0.6
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