> > > > Hm. OK, I may misread. > > > > Can you please explain the reason why de-duplication feature need to selectable and > > > > disabled by defaut. "explicity enable" mean this feature want to spot corner case issue?? > > > > > > Yes, because given a selection of choices (including what you > > > mentioned in the review), it would be nice to have > > > this selectable. > > > > It's no good answer. :-/ > > I am afraid I cannot please you with my answers > > > Who need the feature and who shouldn't use it? It this enough valuable for enough large > > people? That's my question point. > > > > You can see the use cases documented, including when running Linux as > a guest under other hypervisors, Which hypervisor? If this patch is unrelated 99.9999% people, shouldn't you have to reduce negative impact? > today we have a choice of not using > host page cache with cache=none, but nothing the other way round. > There are other use cases for embedded folks (in terms of controlling > unmapped page cache), please see previous discussions. Is there other usecase? really? Where exist? Why do you start to talk about embedded sudenly? I reviewed this as virtualization feature beucase you wrote so in [path 0/3]. Why do you change your point suddenly? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>