| Message ID | a6a5141b4d7b7b71fa7778b16b48f80095dd3233.1606146163.git.lorenzo@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 2f1cce214b237143359202abd83575b91130260f |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [v2,net-next] net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/subject_prefix | success | Link |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 14 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
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 ===============