linux-kernel - Re: [patch 01/17] hugetlb: modular state

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Message-ID: <20080422064516.GA23770@wotan.suse.de>
Date:	Tue, 22 Apr 2008 08:45:16 +0200
From:	Nick Piggin <npiggin@...e.de>
To:	Jon Tollefson <kniht@...ux.vnet.ibm.com>
Cc:	akpm@...ux-foundation.org, Andi Kleen <ak@...e.de>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, pj@....com,
	andi@...stfloor.org
Subject: Re: [patch 01/17] hugetlb: modular state

On Mon, Apr 21, 2008 at 03:51:24PM -0500, Jon Tollefson wrote:
> 
> On Fri, 2008-04-11 at 03:02 +1000, npiggin@...e.de wrote:
> 
> <snip>
> 
> > Index: linux-2.6/include/linux/hugetlb.h
> > ===================================================================
> > --- linux-2.6.orig/include/linux/hugetlb.h
> > +++ linux-2.6/include/linux/hugetlb.h
> > @@ -40,7 +40,7 @@ extern int sysctl_hugetlb_shm_group;
> > 
> >  /* arch callbacks */
> > 
> > -pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr);
> > +pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, int sz);
> 
> <snip>
> 
> The sz here needs to be a long to handle sizes such as 16G on powerpc.
> 
> There are other places in hugetlb.c where the size also needs to be a
> long, but this one affects the arch code too since it is public.

Thanks, I've fixed that and found (hopefully) the rest of the ones
in the hugetlb.c code.

Thanks,
Nick

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