On Mon, 28 Jul 2014, Andrey Ryabinin wrote: > do_fault_around expects fault_around_bytes rounded down to nearest > page order. Instead of calling rounddown_pow_of_two every time > in fault_around_pages()/fault_around_mask() we could do round down > when user changes fault_around_bytes via debugfs interface. >
If you're going to optimize this, it seems like fault_around_bytes would benefit from being __read_mostly. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
