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Date:   Tue, 5 Nov 2019 10:50:07 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Yunfeng Ye <yeyunfeng@...wei.com>, n-horiguchi@...jp.nec.com
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        "hushiyuan@...wei.com" <hushiyuan@...wei.com>,
        "linfeilong@...wei.com" <linfeilong@...wei.com>
Subject: Re: [PATCH v2] mm/memory-failure.c: replace with page_shift() in
 add_to_kill()

On 05.11.19 10:38, Yunfeng Ye wrote:
> The function page_shift() is supported after the commit 94ad9338109f
> ("mm: introduce page_shift()").
> 
> So replace with page_shift() in add_to_kill() for readability.
> 
> Signed-off-by: Yunfeng Ye <yeyunfeng@...wei.com>
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Acked-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> ---
> v1 -> v2:
>   - add Reviewed-by and Acked-by

Note for the future: No need to resend if there were no 
code/documentation changes. Andrew will apply the tags when picking up 
the patch.

> 
>   mm/memory-failure.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 3151c87dff73..e48c50cac889 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -326,7 +326,7 @@ static void add_to_kill(struct task_struct *tsk, struct page *p,
>   	if (is_zone_device_page(p))
>   		tk->size_shift = dev_pagemap_mapping_shift(p, vma);
>   	else
> -		tk->size_shift = compound_order(compound_head(p)) + PAGE_SHIFT;
> +		tk->size_shift = page_shift(compound_head(p));
> 
>   	/*
>   	 * Send SIGKILL if "tk->addr == -EFAULT". Also, as
> 


-- 

Thanks,

David / dhildenb

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