On Fri, Dec 10, 2004 at 09:43:36AM -0800, William Lee Irwin III wrote:
> Well, the only way I see this happening is the process exiting followed
> by use_mm() on init_mm for unobvious reasons (perhaps reasons not in
> the tree).

I don't see the problem with use_mm. use_mm has either the mm set to
ctx->mm or to NULL, and ctx->mm is set to the mm of the process calling
io_setup.

The only thing using init_mm is the idle task/swapper as far as I can
tell, kernel threads and exiting tasks have a NULL mm.
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