Re: [PATCH v5 3/3] of: add early boot allocation of of_find_node_by_phandle() cache

[Rob Herring]

On Sun, Mar 4, 2018 at 6:14 PM,  <frowand.list@xxxxxxxxx> wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxx>
>
> The initial implementation of the of_find_node_by_phandle() cache
> allocates the cache using kcalloc().  Add an early boot allocation
> of the cache so it will be usable during early boot.  Switch over
> to the kcalloc() based cache once normal memory allocation
> becomes available.

Do we get a lot of lookups early? It makes sense to me to do early,
but freeing and repopulating seems to add needless complexity.

Rob