Re: page migration patchset

[Ray Bryant]

Andi Kleen wrote:

> You need lazy hugetlbfs to use it (= allocate at page fault time,
> not mmap time). Otherwise the policy can never be applied. I implemented 
> my own version of lazy allocation for SLES9, but when I wanted to 
> merge it into mainline some other people told they had a much better 
> singing&dancing lazy hugetlb patch. So I waited for them, but they 
> never went forward with their stuff and their code seems to be dead
> now. So this is still a dangling end :/
>
> If nothing happens soon regarding the "other" hugetlb code I will
> forward port my SLES9 code. It already has NUMA policy support.

Andi,

I too have been frustrated by this process.  I think Christoph Lameter
at SGI is looking at forward porting the "old" lazy hugetlbpage allocation
code.  Of course, the proof is in the "doing" of this and I am not sure
what other priorities he has at the moment.

--
Best Regards,
Ray
-----------------------------------------------
                  Ray Bryant
512-453-9679 (work)         512-507-7807 (cell)
raybry@xxxxxxx             raybry@xxxxxxxxxxxxx
The box said: "Requires Windows 98 or better",
           so I installed Linux.
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