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Tue, Apr 01, 2025 at 11:46:29AM +0000, Wei Yang wrote: > On Tue, Apr 01, 2025 at 10:55:16AM +0100, Lorenzo Stoakes wrote: > >On Tue, Apr 01, 2025 at 09:43:46AM +0000, Wei Yang wrote: > >> In commit bf181b9f9d8d ("mm anon rmap: replace same_anon_vma linked > >> list with an interval tree."), the anon_vma.same_anon_vma is replaced by > >> interval tree. > >> > >> But the related comment is left behind. Correct it here. > >> > >> Signed-off-by: Wei Yang > > > >Sorry, but I'd rather we didn't, this is un-useful churn, and I am planning to > >make fairly wide-ranging alterations to anon_vma going forward, at which point > >things like this can be addressed if needed. > > > > Would you mind telling more about your plan on anon_vma alteration? Well ultimately finding some means of representing this better _in general_ :) But you can see some early spring roots of this in the LWN article on my talk at lsf/mm - https://lwn.net/Articles/1015762/ There's a bunch of patches in relation to this, the article links the MREMAP_RELOCATE_ANON stuff but there's also a preparatory patch that improves merging. I plan to do quite a bit more with all of this.