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Pavel Begunkov authored
When registering huge pages, internally io_uring will split them into many PAGE_SIZE bvec entries. That's bad for performance as drivers need to eventually dma-map the data and will do it individually for each bvec entry. Coalesce huge pages into one large bvec. Signed-off-by:
Pavel Begunkov <asml.silence@gmail.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
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