Messages in this thread | | | Date | Tue, 16 Dec 2008 11:57:17 -0800 | From | Andrew Morton <> | Subject | Re: [patch 4/8] x86 PAT: hooks in generic vm code to help archs to track pfnmap regions |
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On Wed, 12 Nov 2008 13:26:51 -0800 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> wrote:
> --- tip.orig/mm/memory.c 2008-11-11 10:10:11.000000000 -0800 > +++ tip/mm/memory.c 2008-11-11 12:10:18.000000000 -0800 > @@ -99,6 +99,28 @@ int randomize_va_space __read_mostly = > 2; > #endif > > +#ifndef track_pfn_vma_new > +int track_pfn_vma_new(struct vm_area_struct *vma, pgprot_t prot, > + unsigned long pfn, unsigned long size) > +{ > + return 0; > +} > +#endif > + > +#ifndef track_pfn_vma_copy > +int track_pfn_vma_copy(struct vm_area_struct *vma) > +{ > + return 0; > +} > +#endif > + > +#ifndef untrack_pfn_vma > +void untrack_pfn_vma(struct vm_area_struct *vma, unsigned long pfn, > + unsigned long size) > +{ > +} > +#endif
Using __weak would provide a somewhat neater result here.
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