Messages in this thread | | | Date | Tue, 5 Jun 2007 16:39:20 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 3/4] mm: move_page_tables{,_up} |
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On Tue, 05 Jun 2007 17:05:26 +0200 Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> Provide functions for moving page tables upwards. > > ... > > +extern unsigned long move_page_tables(struct vm_area_struct *vma, > + unsigned long old_addr, struct vm_area_struct *new_vma, > + unsigned long new_addr, unsigned long len); > +extern unsigned long move_page_tables_up(struct vm_area_struct *vma, > + unsigned long old_addr, struct vm_area_struct *new_vma, > + unsigned long new_addr, unsigned long len); > extern unsigned long do_mremap(unsigned long addr, > unsigned long old_len, unsigned long new_len, > unsigned long flags, unsigned long new_addr);
They become kernel-wide
> +static void move_ptes_up(struct vm_area_struct *vma, pmd_t *old_pmd, > + unsigned long old_addr, unsigned long old_end, > + struct vm_area_struct *new_vma, pmd_t *new_pmd, > + unsigned long new_addr)
So some documentation might be in order...
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