Michal has kindly already updated, but the subject in thread is now misleading, correct one is 'Better anon VMA merging' :) On Thu, Mar 13, 2025 at 06:41:40PM +0000, Lorenzo Stoakes wrote: > As with the ongoing evolution of this, as previously discussed, the focus > has settled on merging of anonymous VMAs and improving this mergeability. > > I have an RFC series (not upstreamed yet, but should be by LSF) which > optionally permits improved anonymous mapping mergeability by passing a > flag to mremap(). Now posted at https://lore.kernel.org/all/cover.1742478846.git.lorenzo.stoakes@xxxxxxxxxx/ Also with a pre-requisite series at https://lore.kernel.org/all/cover.1742245056.git.lorenzo.stoakes@xxxxxxxxxx/ > > In this topic I'd like to discuss that, anon_vma in general motivations for > it, why it's hard, etc. > > This dovetails with the original proposal - bit is a less ambitious, more > short-term 'how can we improve the situation' kind of thing. Maybe next > year there can be more :) > > My slides are at ~31 right now, so I wonder whether I could have an hour > slot for this? As I'd also like to have some discussion of course! :) Just for the record haha - that's no need for this :P I have already cut my slides down to 1/2 hour. The remaining ones can perhaps be re-used at a different conference where I could go into more introductionary depth on anon_vma etc.! > > Thanks! See you all in Montreal! :) Cheers, Lorenzo