Re: [QUESTION] mm: Redundant const parameter?

[Matthew Wilcox]

On Fri, May 31, 2024 at 04:42:59PM +0530, Dev Jain wrote:
> Hi Chengming,
> 
> In mm/slub.c, you had defined slab_test_node_partial() to take a const
> parameter.
> 
> Is there any point of taking in a const, when you are anyways typecasting it
> to
> 
> a (struct folio *) from (const struct folio *) ? In fact, at the place where
> you call
> 
> slab_test_node_partial(), the struct slab *slab is not const.

I have a patch to fix this; hang on a second ...