RE: [patch] remove hugetlb syscalls

[Seth, Rohit]

> -----Original Message-----
> From: William Lee Irwin III [mailto:[e-mail]] 
> > 
> On Thu, Nov 14, 2002 at 12:11:32PM -0800, Rohit Seth wrote:
> > This is not the problem with MAP_SHARED.  It is the lack of  (arch
> > specific) hugepage aligned function support in the kernel. 
> You can use 
> > the mmap on hugetlbfs using only MAP_FIXED with properly aligned 
> > addresses (but then this also is only a hint to kernel).  
> With addr == 
> > NULL in mmap, the function is bound to fail almost all the times.
> 
> There's very little standing in the way of automatic 
> placement. If in your opinion it should be implemented, I'll 
> add that feature today.
> 
mmap with addr==NULL is in my opinion a very useful thing.

> IIRC you mentioned you would like to export the arch-specific 
> hugepage-aligned vma placement functions; once these are 
> available, it should be trivial to reuse them.
> 
> 
I will export those functions from arch specific trees.