Message ID | a6a5141b4d7b7b71fa7778b16b48f80095dd3233.1606146163.git.lorenzo@kernel.org |
---|---|
State | New |
Headers | show |
Series | [v2,net-next] net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst | expand |
Hello: This patch was applied to netdev/net-next.git (refs/heads/master): On Mon, 23 Nov 2020 16:45:46 +0100 you wrote: > Introduce page_pool_put_page_bulk() entry into the API section of > page_pool.rst > > Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> > Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> > --- > Changes since v1: > - addressed Ilias's comments > > [...] Here is the summary with links: - [v2,net-next] net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst https://git.kernel.org/netdev/net-next/c/2f1cce214b23 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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 ===============