Re: [External] Re: [QUESTION] mm: Redundant const parameter?

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Yes; Matthew just did a wider fix:

https://lore.kernel.org/all/20240531122904.2790052-1-willy@xxxxxxxxxxxxx/


On 5/31/24 18:00, Chengming Zhou wrote:
On 2024/5/31 19:31, Dev Jain wrote:
I guess it would be better if I send this as a patch and wait for comments.
Ah, you're right. I think it should be:

	return folio_test_workingset(slab_folio(slab));

Right? Don't notice there isn't any build warning about this "const" discard.

Thanks.

On 5/31/24 16:42, 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.

Please comment.


Thanks

DJ








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