Messages in this thread | | | Date | Mon, 20 Jul 2015 11:28:53 -0700 | Subject | Re: [PATCH] x86/mm: Assign the initail value to the pmd_idx | From | Yinghai Lu <> |
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On Sun, Jul 12, 2015 at 5:18 AM, Minfei Huang <mhuang@redhat.com> wrote: > From: Minfei Huang <mnfhuang@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 <mnfhuang@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 <yinghai@kernel.org>
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