# Re: \[PATCH v2 net-next 3/4\] net: introduce common dev\_page\_is\_reserved()

- From: Jesse Brandeburg \<hidden\>
- Date: 2021-01-27 21:50:23 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/01/6250145
- Thread: https://ratatoskr.run/netdev/2021/01/6250014/t.md

```text
Alexander Lobakin wrote:

> A bunch of drivers test the page before reusing/recycling for two
> common conditions:
>  - if a page was allocated under memory pressure (pfmemalloc page);
>  - if a page was allocated at a distant memory node (to exclude
>    slowdowns).
> 
> Introduce and use a new common function for doing this and eliminate
> all functions-duplicates from drivers.
> 
> Suggested-by: David Rientjes <rientjes@google.com>
> Signed-off-by: Alexander Lobakin <redacted>
> ---
>  drivers/net/ethernet/hisilicon/hns3/hns3_enet.c   | 10 ++--------
>  drivers/net/ethernet/intel/fm10k/fm10k_main.c     |  9 ++-------
>  drivers/net/ethernet/intel/i40e/i40e_txrx.c       | 15 +--------------
>  drivers/net/ethernet/intel/iavf/iavf_txrx.c       | 15 +--------------
>  drivers/net/ethernet/intel/ice/ice_txrx.c         | 11 +----------
>  drivers/net/ethernet/intel/igb/igb_main.c         |  7 +------
>  drivers/net/ethernet/intel/igc/igc_main.c         |  7 +------
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c     |  7 +------
>  drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c |  7 +------
>  drivers/net/ethernet/mellanox/mlx5/core/en_rx.c   |  7 +------
>  include/linux/skbuff.h                            | 15 +++++++++++++++
>  11 files changed, 27 insertions(+), 83 deletions(-)

For the patch, and esp. for the Intel drivers:
Reviewed-by: Jesse Brandeburg <redacted>
```