Re: [PATCH net-next] net: devmem: use page_pool_put_netmem_bulk

[Stanislav Fomichev]

On 09/22, Kaifeng Wang wrote:
> Instead of looping over napi_pp_put_page() and repeatedly acquiring the
> page_pool producer lock in sock_devmem_dontneed(), use
> page_pool_put_netmem_bulk() to return the netmem references in batches.
> 
> This reduces the number of lock acquisitions on the page pool ring
> producer lock when releasing user tokens.
> 
> Reviewed-by: Mina Almasry <almasrymina@xxxxxxxxxx>
> Signed-off-by: Kaifeng Wang <kaifengw@xxxxxxxxxx>

Acked-by: Stanislav Fomichev <sdf@xxxxxxxxxxx>