On Wed, 2006-04-26 at 12:05 +0200, Jörn Engel wrote: > On Wed, 26 April 2006 10:27:18 +0200, Arjan van de Ven wrote: > > > > what I would like is kfree to become an inline wrapper that does the > > null check inline, that way gcc can optimize it out (and it will in 4.1 > > with the VRP pass) if gcc can prove it's not NULL. > > How well can gcc optimize this case? if you deref'd the pointer it'll optimize it away (assuming a new enough gcc, like 4.1) - 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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