Re: [PATCH 15/16] mm: use vm_unmapped_area() on sparc32 architecture

[David Miller <davem@xxxxxxxxxxxxx>]

From: Michel Lespinasse <walken@xxxxxxxxxx>
Date: Mon,  5 Nov 2012 14:47:12 -0800

> Update the sparc32 arch_get_unmapped_area function to make use of
> vm_unmapped_area() instead of implementing a brute force search.
> 
> Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx>

Hmmm...

> -	if (flags & MAP_SHARED)
> -		addr = COLOUR_ALIGN(addr);
> -	else
> -		addr = PAGE_ALIGN(addr);

What part of vm_unmapped_area() is going to duplicate this special
aligning logic we need on sparc?