Re: wired tlb entry?

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On Tue, Jun 17, 2003 at 11:51:13AM -0700, Joseph Chiu wrote:

> Michael Guo suggested add_wired_entry -- I'm giving that a try now.  I'm
> trying to stick to "the kernel that we trust" (from the perspective here)
> because I'm worried about what I end up breaking trying to take a new
> kernel.
> 
> I am behind the time, though, so I'll try to test out 2.4.21-pre4 when I get
> back (I'm not available to run the tests during the rest of this week).

Usual warning - wired entries are almost always a bad idea.  TLB entries
are a scarce resource and wiring will reduce the number available for
random replacement even further raising the amount of CPU burned in the
TLB reload handler.

  Ralf


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