linux-kernel - Re: [PATCH v2 4/3] memblock tests: add new pageblock related macro

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Message-ID: <YxlskUbwXSiYr7hC@kernel.org>
Date:   Thu, 8 Sep 2022 07:16:17 +0300
From:   Mike Rapoport <rppt@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Kefeng Wang <wangkefeng.wang@...wei.com>, linux-mm@...ck.org,
        David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.de>,
        linux-kernel@...r.kernel.org, Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [PATCH v2 4/3] memblock tests: add new pageblock related macro

Andrew,

Do you mind taking this along with the pageblock macros series?

On Wed, Sep 07, 2022 at 04:26:43PM +0800, Kefeng Wang wrote:
> Add new pageblock_start_pfn() and pageblock_align() macro
> which are needed by memblock tests.
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> ---
>  tools/testing/memblock/linux/mmzone.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/tools/testing/memblock/linux/mmzone.h b/tools/testing/memblock/linux/mmzone.h
> index 7c2eb5c9bb54..e65f89b12f1c 100644
> --- a/tools/testing/memblock/linux/mmzone.h
> +++ b/tools/testing/memblock/linux/mmzone.h
> @@ -22,6 +22,8 @@ enum zone_type {
>  
>  #define pageblock_order		(MAX_ORDER - 1)
>  #define pageblock_nr_pages	BIT(pageblock_order)
> +#define pageblock_align(pfn)	ALIGN((pfn), pageblock_nr_pages)
> +#define pageblock_start_pfn(pfn)	ALIGN_DOWN((pfn), pageblock_nr_pages)
>  
>  struct zone {
>  	atomic_long_t		managed_pages;
> -- 
> 2.35.3
> 

-- 
Sincerely yours,
Mike.