On Sun, Jul 12, 2015 at 5:18 AM, Minfei Huang <mhu...@redhat.com> wrote:
> From: Minfei Huang <mnfhu...@gmail.com>
>
> The variable pmd_idx is undefined, when we try to start the loop to
> calculate the page.
>
> Assign the proper value which indexes the start address to make it work
> well.
>
> Signed-off-by: Minfei Huang <mnfhu...@gmail.com>
> ---
> arch/x86/mm/init_32.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
> index 8340e45..68aec42 100644
> --- a/arch/x86/mm/init_32.c
> +++ b/arch/x86/mm/init_32.c
> @@ -137,6 +137,7 @@ page_table_range_init_count(unsigned long start, unsigned
> long end)
>
> vaddr = start;
> pgd_idx = pgd_index(vaddr);
> + pmd_idx = pmd_index(vaddr);
>
> for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd_idx++) {
> for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end);
Reviewed-by: Yinghai Lu <ying...@kernel.org>
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