> Inside ata_bounce_pio_xfer(), get the buffer for your CPU. If NULL or > too small, allocate new buffer, otherwise re-use existing buffer. > > This method makes the common case _not_ allocate anything, which should > be obviously more efficient. Obviously ? kmalloc will usually return us a cache hot buffer very very fast. A private allocator will return us an almost certainly cache cold buffer slightly faster. I'm not sure its that simple. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
