Commit cbc16bce authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jakub Kicinski
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net: make page_pool_ref_netmem work with net iovs 



page_pool_ref_netmem() should work with either netmem representation, but
currently it casts to a page with netmem_to_page(), which will fail with
net iovs. Use netmem_get_pp_ref_count_ref() instead.

Fixes: 8ab79ed5 ("page_pool: devmem support")
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarDavid Wei <dw@davidwei.uk>
Link: https://lore.kernel.org/20250108220644.3528845-2-dw@davidwei.uk


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 6be7aca9

include/net/page_pool/helpers.h

+1 −1
Original line number Diff line number Diff line
@@ -294,7 +294,7 @@ static inline long page_pool_unref_page(struct page *page, long nr) 


static inline void page_pool_ref_netmem(netmem_ref netmem)

{

	atomic_long_inc(&netmem_to_page(netmem)->pp_ref_count);

	atomic_long_inc(netmem_get_pp_ref_count_ref(netmem));

}



static inline void page_pool_ref_page(struct page *page)