On Aug 17 2007 11:22, Andrew Morton wrote:
>Which is getting pretty idiotic:
>
>akpm:/usr/src/25> grep ZERO_OR_NULL_PTR */*.c
>mm/slab.c: BUG_ON(ZERO_OR_NULL_PTR(cachep->slabp_cache));
>mm/slab.c: if (unlikely(ZERO_OR_NULL_PTR(cachep)))
>mm/slab.c: if (unlikely(ZERO_OR_NULL_PTR(cachep)))
>mm/slab.c: if (unlikely(ZERO_OR_NULL_PTR(objp)))
>mm/slab.c: if (unlikely(ZERO_OR_NULL_PTR(objp)))
>mm/slob.c: if (unlikely(ZERO_OR_NULL_PTR(block)))
>mm/slob.c: if (unlikely(ZERO_OR_NULL_PTR(block)))
>mm/slob.c: if (unlikely(ZERO_OR_NULL_PTR(block)))
>mm/slub.c: if (unlikely(ZERO_OR_NULL_PTR(s)))
>mm/slub.c: if (unlikely(ZERO_OR_NULL_PTR(s)))
>mm/slub.c: if (unlikely(ZERO_OR_NULL_PTR(object)))
>mm/slub.c: if (unlikely(ZERO_OR_NULL_PTR(x)))
>mm/slub.c: if (unlikely(ZERO_OR_NULL_PTR(s)))
>mm/slub.c: if (unlikely(ZERO_OR_NULL_PTR(s)))
>
>are we seeing a pattern here? We could stick the unlikely inside
>ZERO_OR_NULL_PTR() itself.
Yeah,
BUG_ON(unlikely(ZERO_OR_NULL_PTR(..)))
that will really help the bug - "hm, it's Friday, let's BUG" ;-)
Jan
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