On Tue, Oct 21, 2008 at 12:11, Alan Jenkins <alan-jenkins@xxxxxxxxxxxxxx> wrote: > Allocate udev_device->envp lazily > > It's a pity to allocate 128 words when we don't need them. > Measured 2% _user_ cpu time reduction on EeePC coldplug. Any idea what might take 2% here? We don't do anything if the envp isn't used. We do almost the same thing with or without the patch besides that "struct udev_device" is 1016 bytes smaller now, and we malloc() it. Kay -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html