Re: PATCH 2.3.26: kmalloc GFP_ZERO
yodaiken@chelm.cs.nmt.edu
Tue, 9 Nov 1999 16:32:03 -0700
On Tue, Nov 09, 1999 at 11:14:57PM +0100, Andrea Arcangeli wrote:
> On Tue, 9 Nov 1999 yodaiken@chelm.cs.nmt.edu wrote:
>
> >Nearly all optimizations are tradeoffs. In this case, you have a easy to
> >show significant decrease in wall clock time of an important benchmark
> >versus the terrible cost of using 2 cache lines in the instruction cache
> >during a time period in which you have nothing else to do.
>
> I agree it's not a big cost but I am not paying it and you want me to pay
> it.
same could be said for nearly everything in the kernel.
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