Re: [PATCH v1] driver: base: Add driver filter support

From: Matthew Wilcox
Date: Wed Aug 04 2021 - 14:34:24 EST


On Wed, Aug 04, 2021 at 11:29:31AM -0700, Kuppuswamy, Sathyanarayanan wrote:
>
>
> On 8/4/21 11:08 AM, Matthew Wilcox wrote:
> > Why use a doubly-linked-list here? An allocating xarray should perform
> > much better and use less memory.
>
> We don't expect the list to be too long. So we may not gain any significant
> advantage in terms of performance or memory when using alternate lists. Since
> linked list easier to use, we chose it.

It is not easier to use.