Re: [PATCH 2/5] mm/vmalloc: Extend __alloc_vmap_area() with extra arguments

[Christoph Hellwig]

On Tue, Jun 07, 2022 at 11:34:46AM +0200, Uladzislau Rezki (Sony) wrote:
> It implies that __alloc_vmap_area() allocates only from the
> global vmap space, therefore a list-head and rb-tree, which
> represent a free vmap space, are not passed as parameters to
> this function and are accessed directly from this function.

Yes, which totally makes sense.

> Extend the __alloc_vmap_area() and other dependent functions
> to have a possibility to allocate from different trees making
> an interface common and not specific.

Which seems completely pointless.  Why add argument that are always
passed the same values?