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* [PATCH] mm/memory-failure.c: replace with page_shift() in add_to_kill()
@ 2019-11-05  8:21 Yunfeng Ye
  2019-11-05  8:57 ` David Hildenbrand
  2019-11-05  9:09 ` Naoya Horiguchi
  0 siblings, 2 replies; 3+ messages in thread
From: Yunfeng Ye @ 2019-11-05  8:21 UTC (permalink / raw)
  To: n-horiguchi; +Cc: linux-mm, linux-kernel, hushiyuan, linfeilong

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@huawei.com>
---
 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
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] mm/memory-failure.c: replace with page_shift() in add_to_kill()
  2019-11-05  8:21 [PATCH] mm/memory-failure.c: replace with page_shift() in add_to_kill() Yunfeng Ye
@ 2019-11-05  8:57 ` David Hildenbrand
  2019-11-05  9:09 ` Naoya Horiguchi
  1 sibling, 0 replies; 3+ messages in thread
From: David Hildenbrand @ 2019-11-05  8:57 UTC (permalink / raw)
  To: Yunfeng Ye, n-horiguchi; +Cc: linux-mm, linux-kernel, hushiyuan, linfeilong

On 05.11.19 09:21, 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@huawei.com>
> ---
>   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
> 

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 

Thanks,

David / dhildenb


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] mm/memory-failure.c: replace with page_shift() in add_to_kill()
  2019-11-05  8:21 [PATCH] mm/memory-failure.c: replace with page_shift() in add_to_kill() Yunfeng Ye
  2019-11-05  8:57 ` David Hildenbrand
@ 2019-11-05  9:09 ` Naoya Horiguchi
  1 sibling, 0 replies; 3+ messages in thread
From: Naoya Horiguchi @ 2019-11-05  9:09 UTC (permalink / raw)
  To: Yunfeng Ye; +Cc: linux-mm, linux-kernel, hushiyuan, linfeilong

On Tue, Nov 05, 2019 at 04:21:44PM +0800, 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@huawei.com>

Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-11-05  9:10 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-11-05  8:21 [PATCH] mm/memory-failure.c: replace with page_shift() in add_to_kill() Yunfeng Ye
2019-11-05  8:57 ` David Hildenbrand
2019-11-05  9:09 ` Naoya Horiguchi

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