Hi Mika, On Tue, May 15, 2012 at 03:46:24PM +0300, Mika Kuoppala wrote: > If struct evdev_client is added to the already power of two > buffer allocation and the buffer is large, for multitouch devices, > the allocation will spill over into the the next page. > Alloc buffer separately instead of binding it to evdev_client struct > to avoid multipage kmalloc. Not counting the event buffer, size of evdev_client is fairly small (under 100 bytes?) so I wonder how often this split actually helps (i.e. buffer and client each are less than page size but combined are more). Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
