On Tue, 05 Jun 2007 17:05:26 +0200
Peter Zijlstra <[email protected]> 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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