Re: My sys32_execve().

[Ralf Baechle <ralf@xxxxxxxxxxx>]

On Wed, Mar 01, 2000 at 04:31:43PM -0800, Kanoj Sarcar wrote:

> We are probably ages away from when TASK_SIZE will be a problem, 
> but get_unmapped_area() will return success for 32 bit programs 
> when it really should not, in certain cases. Tweaking TASK_UNMAPPED_BASE
> itself is not enough. 
> 
> I think the Sparc guys take care of this, in their HAVE_ARCH_UNMAPPED_AREA
> get_unmapped_area() declaration. We do not need such a heavyweight 
> solution though, certainly not soon.

On MIPS we also want our private get_unmapped_area, even though for other
reasons that don't apply to the R10000.  We want it because carefully
placing of mappings in the virtual address space is part of a virtual
coherence avoidance solution.

  Ralf