Messages in this thread | | | Subject | Re: Consistent PCI - API change needed | Date | Sat, 12 Feb 2000 00:33:05 +0000 (GMT) | From | Alan Cox <> |
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> I've just been reviewing the changes to 3c59x.c, and have noticed the following > line of code: > > vp->rx_ring = (void *)(((long)vp->priv_addr + 15) & ~15); > > Can someone explain the purpose of this please?
Its to ensure the pointer is aligned, it also ensures that if it wasnt then the kfree of the ring will crash the machine 8)
Defining a minimum alignment for kmalloc at 16 bytes would be a big help
Alan
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