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SubjectRe: [PATCH] x86: fix /proc/meminfo DirectMap
On Fri, 15 Aug 2008, Andi Kleen wrote:
> On Fri, Aug 15, 2008 at 01:58:32PM +0100, Hugh Dickins wrote:
> > Do we actually want these DirectMap lines in the x86 /proc/meminfo?
> > I can see they're interesting to CPA developers and TLB optimizers,
> > but they don't fit its usual "where has all my memory gone?" usage.
> It was intended for the "why is my computer going slower" usage.

Yes, that's what I meant by the TLB optimizers. But it's going to
be a fractional effect, isn't it, when you're trying to get the last
1% out of the machine? And in such a case, you might wonder more
what all the 4k ones are actually being used for (no problem at all
if they've ended up behind vmalloced module text).


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