On Sat, Jan 30, 2016 at 12:26 AM, tip-bot for Alexander Kuleshov
<tipbot@xxxxxxxxx> wrote:
> ---
> arch/x86/kernel/head64.c | 14 +++-----------
> 1 file changed, 3 insertions(+), 11 deletions(-)
>
> diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
> index f129a9a..35843ca 100644
> --- a/arch/x86/kernel/head64.c
> +++ b/arch/x86/kernel/head64.c
> @@ -40,13 +40,8 @@ pmdval_t early_pmd_flags = __PAGE_KERNEL_LARGE & ~(_PAGE_GLOBAL | _PAGE_NX);
.
>
> @@ -54,7 +49,6 @@ static void __init reset_early_page_tables(void)
> int __init early_make_pgtable(unsigned long address)
> {
> unsigned long physaddr = address - __PAGE_OFFSET;
> - unsigned long i;
> pgdval_t pgd, *pgd_p;
> pudval_t pud, *pud_p;
> pmdval_t pmd, *pmd_p;
> @@ -81,8 +75,7 @@ again:
> }
>
> pud_p = (pudval_t *)early_dynamic_pgts[next_early_pgt++];
> - for (i = 0; i < PTRS_PER_PUD; i++)
> - pud_p[i] = 0;
> + memset(pud_p, 0, sizeof(pud_p) * PTRS_PER_PUD);
should be
memset(pud_p, 0, sizeof(*pud_p) * PTRS_PER_PUD);
> *pgd_p = (pgdval_t)pud_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
> }
> pud_p += pud_index(address);
> @@ -97,8 +90,7 @@ again:
> }
>
> pmd_p = (pmdval_t *)early_dynamic_pgts[next_early_pgt++];
> - for (i = 0; i < PTRS_PER_PMD; i++)
> - pmd_p[i] = 0;
> + memset(pmd_p, 0, sizeof(pmd_p) * PTRS_PER_PMD);
should be
memset(pmd_p, 0, sizeof(*pmd_p) * PTRS_PER_PMD);
> *pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
> }
> pmd = (physaddr & PMD_MASK) + early_pmd_flags;
--
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