dean-list-linux-kernel@arctic.org said:
> also you don't need the task struct at the top to do this -- you just
> allocate 16k instead of 8k, put the task struct on page 0 of the
> allocation, unmap page 1, and put the stack frame on pages 2 and 3.
> (you'd probably have to do a 16k allocation regardless to get the
> guard page.)
This is exactly what UML does. My stacks are larger than the host's stacks
and I was having stack overflow problems when the Linux started saving SSE
state on signal frames.
So I doubled the stack size and put in a guard page while I was at it.
Jeff
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This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:25 EST