We can disable debug_pagealloc processing even if the code is complied with CONFIG_DEBUG_PAGEALLOC. This patch changes the code to query whether it is enabled or not in runtime. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> --- sound/drivers/pcsp/pcsp.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c index 27e25bb..72e2d00 100644 --- a/sound/drivers/pcsp/pcsp.c +++ b/sound/drivers/pcsp/pcsp.c @@ -14,6 +14,7 @@ #include <linux/input.h> #include <linux/delay.h> #include <linux/bitops.h> +#include <linux/mm.h> #include "pcsp_input.h" #include "pcsp.h" @@ -148,11 +149,11 @@ static int alsa_card_pcsp_init(struct device *dev) return err; } -#ifdef CONFIG_DEBUG_PAGEALLOC /* Well, CONFIG_DEBUG_PAGEALLOC makes the sound horrible. Lets alert */ - printk(KERN_WARNING "PCSP: CONFIG_DEBUG_PAGEALLOC is enabled, " - "which may make the sound noisy.\n"); -#endif + if (debug_pagealloc_enabled()) { + printk(KERN_WARNING "PCSP: CONFIG_DEBUG_PAGEALLOC is enabled, " + "which may make the sound noisy.\n"); + } return 0; } -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>