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Many questions, mostly about mach-defpager

From: Thomas Thomas
Subject: Many questions, mostly about mach-defpager
Date: Mon, 30 Apr 2012 16:30:00 -0700 (PDT)

So, mach-defpager "wires" all of its threads. What exactly does that mean?
I think the headers are kind-of sketchy. They do say that in GNU all threads
are wired, will this apply to pthread threads, too?

Nextly, it uses cthread_data to store a pointer to a thread-specific buffer
that it uses in paging. As I see it: all threads are created when the pager
starts up, and no threads are created afterward. Thus, I could achieve the
same result by using a hash to map between the thread handles and the
buffer pointers. Would this be a good idea/efficient? Mainly, I just want
your thoughts.

I'll leave it at this...

Thomas D

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