Re: [PATCH net v2 0/2] fix two bugs related to page_pool

[Yunsheng Lin <linyunsheng@huawei.com>]

On 2024/9/25 15:57, Yunsheng Lin wrote:
> Patch 1 fix a possible time window problem for page_pool.
> Patch 2 fix the kernel crash problem at iommu_get_dma_domain
> reported in [1].

Hi, all

Through the discussions, it seems there are some main concerns
as below:
1. Semantics changing of supporting unlimited inflight pages
   to limited inflight pages that are as large as the pool_size
   of page_pool.
2. The overhead of finding available pool->items in
   page_pool_item_add().

Any other concerns I missed here?
As it is unclear about the impact of the above concerns, which seemed
to lead Paolo to suggest this patchset targetting net-next tree
instead of net tree, so I am planning to target the net-next tree
keeping the 'Fixes' tag for the next version, if there is any other
opinion here, please let me know.

Also, I still have the page_frag refactoring patchset pending in the
nex-next, please let me know if I should wait for that patchset to
be applied before sending this one to the net-next tree.

>