Re: [PATCH nf-next v4 01/13] rhashtable: add rhashtable_flush_and_free helper

Florian Westphal <[email protected]> wrote:
> Will be used by upcoming ipset rhashtable conversion.
> 
> "walk rht with unlink+free" triggers LLM reject pattern:
> "possible softirq CPU stall".
> 
> "walk rht with unlink+free + cond_resched" triggers
> "possibly skipped elements".
> 
> Add a helper to detach current hash backend storage from the
> rhashtable, then iterate and flush all contained elements.

As usual, I'm very incompetent and the patch sucks.

So question is merely if this function/idea is desirable/wanted
in the first place.