On Tue, 1 Feb 2005, Mel Gorman wrote: > > Would it not be better to zero the global 2^MAX_ORDER pages by the scrub > > daemon and have a global zeroed page list? That way you may avoid zeroing > > when splitting pages? > > > > Maybe, but right now when there are no 2^MAX_ORDER pages, the scrub daemon > is going to be doing nothing which is why I think it needs to look at the > free pages of lower orders. > > That is solveable though in one of two ways. One, the scrub daemon can > zero pages from the global list and then add them to the USERZERO pool. It > has the advantage of requiring no more memory and is simple. The second is > to create a second global list. However, I think it only makes sense to > have this as part of the scrub daemon patch (I can write it if thats a > problem) rather than a standalone patch from me.
Approach one is fine and I will do an update the remaining prezero patches to do just that. When will your patches be in Linus tree? ;-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/