Re: [PATCH] mm: use PAGE_ALIGNED instead of IS_ALIGNED

From: Miaohe Lin
Date: Thu May 26 2022 - 21:48:10 EST


On 2022/5/26 22:02, bh1scw@xxxxxxxxx wrote:
> From: Fanjun Kong <bh1scw@xxxxxxxxx>
>
> The <linux/mm.h> already provides the PAGE_ALIGNED macro. Let's
> use this macro instead of IS_ALIGNED and passing PAGE_SIZE directly.
>
> Signed-off-by: Fanjun Kong <bh1scw@xxxxxxxxx>

Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Thanks!

> ---
> mm/sparse-vmemmap.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
> index f4fa61dbbee3..49cb15cbe590 100644
> --- a/mm/sparse-vmemmap.c
> +++ b/mm/sparse-vmemmap.c
> @@ -200,8 +200,8 @@ static int vmemmap_remap_range(unsigned long start, unsigned long end,
> unsigned long next;
> pgd_t *pgd;
>
> - VM_BUG_ON(!IS_ALIGNED(start, PAGE_SIZE));
> - VM_BUG_ON(!IS_ALIGNED(end, PAGE_SIZE));
> + VM_BUG_ON(!PAGE_ALIGNED(start));
> + VM_BUG_ON(!PAGE_ALIGNED(end));
>
> pgd = pgd_offset_k(addr);
> do {
>