On Fri, Oct 25, 2024 at 09:40:25AM +0100, Lorenzo Stoakes wrote: >On Fri, Oct 25, 2024 at 08:32:27AM +0000, Wei Yang wrote: > >> >> But I have a question on your introduction of VMG_FLAG_JUST_EXPAND. >> >> Lets say just_expand is true and can_merge_left is true. Now we will adjust >> vmg->start/vma/pgoff in if (can_merge_left). If we fail expansion, we won't >> restore vmg->vma/start/pgoff, since just_expand is true. >> >> Is this what you expect? > >Yes, I explicitly wrote it to do that so it'd be a bit odd if I didn't >realise :) > >Actually at this point, I don't think we need a follow up patch, sorry. > >As I think perhaps I will make this change as part of an existing series >where I am reworking mmap_region(), since this is the only place where it >matters, and it would make everything a hell of a lot clearer. > >Thanks for pointing this out, it's very useful (and an embarrassing >oversight on my part...!), but I think it'd be better reworked this way. > >Thanks! Ok, for now I would just remove these two lines with the change log you suggested. -- Wei Yang Help you, Help me