Re: [PATCH] Add nid sanity on alloc_pages_node

[Paul Jackson <pj@sgi.com>]

Joe wrote:
> --- linux-2.6.22/mm/hugetlb.c.orig	2007-07-12 15:02:19.000000000 +0800
> +++ linux-2.6.22/mm/hugetlb.c	2007-07-13 17:33:45.000000000 +0800
> @@ -101,13 +101,20 @@ static void free_huge_page(struct page *
>  
>  static int alloc_fresh_huge_page(void)
>  {
>	...

Patch looks ok to me, except for ...

> Ha.., the patch against 2.6.22, at your patch have use htlb_alloc_mask, but I
> cannot found it at 2.6.22 kernel tree, I think you must use difference kernel
> tree :)

Yes, as a matter of fact, he does have a different kernel tree, found at:

    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/

This is the infamous *-mm tree, which is currently at the following
version 2.6.22-rc6-mm1, and also available as a quilt patch set,
beneath:

    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc6/2.6.22-rc6-mm1/

My guess is Andrew will prefer a patch against this *-mm kernel, though
sometimes he is a good chap and fixes up minor differences, such as
this involving htlb_alloc_mask replacing GFP_HIGHUSER.  If you had the
chance to verify your testing of this change against this
2.6.22-rc6-mm1, that would be worth doing.  Probably the change to
htlb_alloc_mask from GFP_HIGHUSER won't be any problem, but I suppose
that there's a small chance that some other patch in *-mm will interact
poorly with your proposed change.

Thanks for getting on this so quickly.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.925.600.0401
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