Introduce page_pool_put_page_bulk() entry into the API section of page_pool.rst
Acked-by: Ilias Apalodimas <ilias.apalodi...@linaro.org> Signed-off-by: Lorenzo Bianconi <lore...@kernel.org> --- Changes since v1: - addressed Ilias's comments --- Documentation/networking/page_pool.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/networking/page_pool.rst b/Documentation/networking/page_pool.rst index 43088ddf95e4..a147591ce203 100644 --- a/Documentation/networking/page_pool.rst +++ b/Documentation/networking/page_pool.rst @@ -97,6 +97,14 @@ a page will cause no race conditions is enough. * page_pool_get_dma_dir(): Retrieve the stored DMA direction. +* page_pool_put_page_bulk(): Tries to refill a number of pages into the + ptr_ring cache holding ptr_ring producer lock. If the ptr_ring is full, + page_pool_put_page_bulk() will release leftover pages to the page allocator. + page_pool_put_page_bulk() is suitable to be run inside the driver NAPI tx + completion loop for the XDP_REDIRECT use case. + Please note the caller must not use data area after running + page_pool_put_page_bulk(), as this function overwrites it. + Coding examples =============== -- 2.28.0
