> +static unsigned long ra_stats[RA_PATTERN_MAX][RA_ACCOUNT_MAX]; Why not make it per cpu? That should get the overhead down, probably even enough that it can be enabled by default. BTW I have an older framework to make it really easy to add per cpu stats counters to debugfs. Will repost, that would simplify it even more. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
