printk_ratelimit() should not be used, because it shares ratelimiting
state with all other unrelated printk_ratelimit() callsites.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
#include <linux/mm.h>
#include <linux/page-debug-flags.h>
#include <linux/poison.h>
+#include <linux/ratelimit.h>
static inline void set_page_poison(struct page *page)
{
static void check_poison_mem(unsigned char *mem, size_t bytes)
{
+ static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 10);
unsigned char *start;
unsigned char *end;
break;
}
- if (!printk_ratelimit())
+ if (!__ratelimit(&ratelimit))
return;
else if (start == end && single_bit_flip(*start, PAGE_POISON))
printk(KERN_ERR "pagealloc: single bit error\n");