> . > struct page *page = virt_to_page(skb->data); If skb->data page aligned?
> . > And can some one please tell what is the use of the functions like > virt_to_page and kmap_atomic_to_page, Generally to lock the page in memory(esp while doing dma) using get_page(). > i tried calling virt_to_page(skb->data), but when i print the data in the > page address ( page_address(page) ) and > the data in pointed by skb->data, i came to know its mapping to a wrong > page. If skb->data is not page aligned then page_address(page) will be equal to skb->data+(somevalue) (on nearest page boundary). -syed _______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
