Re: [PATCH v3 0/5] page allocation tag compression

Andrew Morton
2024-10-14T23:32:33Z

On Mon, 14 Oct 2024 13:36:41 -0700 Suren Baghdasaryan <surenb@google.com> wrote:

> Patch #2 copies module tags into virtually contiguous memory which
> serves two purposes:
> - Lets us deal with the situation when module is unloaded while there
> are still live allocations from that module. Since we are using a copy
> version of the tags we can safely unload the module. Space and gaps in
> this contiguous memory are managed using a maple tree.

Does this make "lib: alloc_tag_module_unload must wait for pending
kfree_rcu calls" unneeded? If so, that patch was cc:stable
(justifyably), so what to do about that?