Aubrey Li <[email protected]> wrote: > as checked in packet_set_ring, buffer size must be a multiple of PAGE_SIZE, > --------------------packet_set_ring------------------------ > if (unlikely(req->tp_block_size & (PAGE_SIZE - 1))) > > So why not use __get_free_pages rather than kmalloc, Because kmalloc() may be able to get us a smaller chunk of memory. Actually, calling __get_free_pages() might be a better, and then release the excess pages. > so that we have pagetables to count? There are no pagetables in NOMMU-mode. David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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