Il 20/08/2014 14:41, Radim Krčmář ha scritto: >> > if (ple_window_grow < 1 || ple_window_actual_max < ple_window) >> > new = ple_window; >> > else if (ple_window_grow < ple_window) >> > new = max(ple_window_actual_max, old) * ple_window_grow; >> > else >> > new = max(ple_window_actual_max, old) + ple_window_grow; > Oh, I like that this can get rid of all overflows, ple_window_actual_max > (PW_effective_max?) is going to be set to > "ple_window_max [/-] ple_window_grow" in v2. > >> > (I think the || in the first "if" can be eliminated with some creativity >> > in clamp_ple_window_max). > To do it, we'll want to intercept changes to ple_window as well. > (I disliked this patch a lot even before :) What about setting ple_window_actual_max to 0 if ple_window_grow is 0 (instead of just returning)? Then the "if (ple_window_actual_max < ple_window)" will always fail and you'll go through "new = ple_window". But perhaps it's more gross and worthless than creative. :) Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
