Messages in this thread | | | Date | Sat, 16 Jun 2001 21:32:50 -0400 | From | Jeff Garzik <> | Subject | Re: Newbie idiotic questions. |
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Bill Pringlemeir wrote: > [main.c, line 175] > > for (count = 0; count < sizeof(card->digmix) / sizeof(card->digmix[0]); count++) { > > Isn't there some sort of `ALEN' macro available, or is this > considered to muddy things by using a macro?
Yes, we have array size
> [main.c, line 223] > if ((card->mpuout = kmalloc(sizeof(struct emu10k1_mpuout), GFP_KERNEL)) > > Why is the struct type referenced for the allocation size? Why not, > > if ((card->mpuout = kmalloc(sizeof(card->mpuout), GFP_KERNEL))
because then you would be allocating the size of a pointer, not the size of a structure
> Why aren't all the gobs of constant data in this driver declared as > constant? Do it give a performance advantage by having the data in a > different MMU section and better cache effects or something?
Marking data const is usually a good idea.
Jeff
-- Jeff Garzik | Andre the Giant has a posse. Building 1024 | MandrakeSoft | - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org 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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