diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2011-10-31 17:08:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-31 17:30:47 -0700 |
| commit | 77311139f364d7f71fc9ba88f59fd90e60205007 (patch) | |
| tree | 5cde11d67e431781893bb0375dcae665750ed6dc /mm/debug-pagealloc.c | |
| parent | 16fb951237c2b0b28037b992ee44e7ee401c30d1 (diff) | |
| download | lwn-77311139f364d7f71fc9ba88f59fd90e60205007.tar.gz lwn-77311139f364d7f71fc9ba88f59fd90e60205007.zip | |
mm/debug-pagealloc.c: use plain __ratelimit() instead of printk_ratelimit()
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>
Diffstat (limited to 'mm/debug-pagealloc.c')
| -rw-r--r-- | mm/debug-pagealloc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/debug-pagealloc.c b/mm/debug-pagealloc.c index a1e3324de2b5..a4b6d707a31f 100644 --- a/mm/debug-pagealloc.c +++ b/mm/debug-pagealloc.c @@ -2,6 +2,7 @@ #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) { @@ -59,6 +60,7 @@ static bool single_bit_flip(unsigned char a, unsigned char b) 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; @@ -74,7 +76,7 @@ static void check_poison_mem(unsigned char *mem, size_t bytes) 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"); |