Re: [PATCH] net/smc: Optimize the search method of reused buf_desc

Jakub Kicinski
2024-11-01T02:06:53Z

On Tue, 29 Oct 2024 14:54:15 +0800 liqiang wrote:
> We create a lock-less link list for the currently
> idle reusable smc_buf_desc.
>
> When the 'used' filed mark to 0, it is added to
> the lock-less linked list.
>
> When a new connection is established, a suitable
> element is obtained directly, which eliminates the
> need for traversal and search, and does not require
> locking resource.
>
> A lock-free linked list is a linked list that uses
> atomic operations to optimize the producer-consumer model.

Not sure what the story here is but the patch does not apply to net-next
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