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page_pool: keep pp info as long as page pool owns the page

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Currently, page->pp is cleared and set everytime the page
is recycled, which is unnecessary.

So only set the page->pp when the page is added to the page
pool and only clear it when the page is released from the
page pool.

This is also a preparation to support allocating frag page
in page pool.

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Yunsheng Lin
2021-08-06 10:46:19 +08:00
committed by Jakub Kicinski
parent 2a2b6e3640
commit 57f05bc2ab
7 changed files with 22 additions and 22 deletions
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7
include/net/page_pool.h
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@@ -253,11 +253,4 @@ static inline void page_pool_ring_unlock(struct page_pool *pool)
spin_unlock_bh(&pool->ring.producer_lock);
}
/* Store mem_info on struct page and use it while recycling skb frags */
static inline
void page_pool_store_mem_info(struct page *page, struct page_pool *pp)
{
page->pp = pp;
}
#endif /* _NET_PAGE_POOL_H */