On Fri, 26 Jan 2007, Andrew Morton wrote: > > > > Track mlocked pages via a ZVC > > Why?
Large amounts of mlocked pages may be a problem for 1. Reclaim behavior. 2. Defragmentation > You could perhaps go for a walk across all the other vmas which presently > map this page. If any of them have VM_LOCKED, don't increment the counter. > Similar on removal: only decrement the counter when the final mlocked VMA > is dropping the pte. For that we would need an additional refcount for vmlocked maps in the page struct. Looks too expensive. - 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/