thread_info address calculation

Vijay Chauhan kernel.vijay at
Fri Sep 16 08:16:03 EDT 2011

> It's the same thing as you read:
> THREAD size is 8kb so the operation looks like the following:
> current_stack_pointer & ~(8191) == current_stack_pointet & 0xFFFFFE00
> (last 13 bits are 0)

Ok. Got it.

But how ANDing it with current stack pointer points to the address of
thread_info structure.
Suppose stack is growing from higher to lower memory address.


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