* [PATCH v2 net-next] net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst
@ 2020-11-23 15:45 Lorenzo Bianconi
2020-11-24 23:00 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Lorenzo Bianconi @ 2020-11-23 15:45 UTC (permalink / raw)
To: netdev; +Cc: lorenzo.bianconi, davem, kuba, brouer, ilias.apalodimas
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
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2 net-next] net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst
2020-11-23 15:45 [PATCH v2 net-next] net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst Lorenzo Bianconi
@ 2020-11-24 23:00 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2020-11-24 23:00 UTC (permalink / raw)
To: Lorenzo Bianconi
Cc: netdev, lorenzo.bianconi, davem, kuba, brouer, ilias.apalodimas
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!
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2020-11-23 15:45 [PATCH v2 net-next] net: page_pool: Add page_pool_put_page_bulk() to page_pool.rst Lorenzo Bianconi
2020-11-24 23:00 ` patchwork-bot+netdevbpf
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