On 06/19/2013 07:52 AM, Wanpeng Li wrote:
> Changelog:
>  v2 - > v3:
>    * add Michal's Reviewed-by
> 
> The old codes accumulate addr to get right pmd, however,
> currently pmds are preallocated and transfered as a parameter,
> there is unnecessary to accumulate addr variable any more, this
> patch remove it.
> 
> Reviewed-by: Michal Hocko <[email protected]>
> Signed-off-by: Wanpeng Li <[email protected]>

Reviewed-by: Zhang Yanfei <[email protected]>

> ---
>  arch/x86/mm/pgtable.c |    4 +---
>  1 files changed, 1 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
> index 17fda6a..dfa537a 100644
> --- a/arch/x86/mm/pgtable.c
> +++ b/arch/x86/mm/pgtable.c
> @@ -240,7 +240,6 @@ static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t 
> *pgdp)
>  static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t 
> *pmds[])
>  {
>       pud_t *pud;
> -     unsigned long addr;
>       int i;
>  
>       if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */
> @@ -248,8 +247,7 @@ static void pgd_prepopulate_pmd(struct mm_struct *mm, 
> pgd_t *pgd, pmd_t *pmds[])
>  
>       pud = pud_offset(pgd, 0);
>  
> -     for (addr = i = 0; i < PREALLOCATED_PMDS;
> -          i++, pud++, addr += PUD_SIZE) {
> +     for (i = 0; i < PREALLOCATED_PMDS; i++, pud++) {
>               pmd_t *pmd = pmds[i];
>  
>               if (i >= KERNEL_PGD_BOUNDARY)


-- 
Thanks.
Zhang Yanfei
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to