mm: memory-failure: correct HWPOISON_INJECT config

Message ID 20230310133843.76883-1-wangkefeng.wang@huawei.com
State New
Headers
Series mm: memory-failure: correct HWPOISON_INJECT config |

Commit Message

Kefeng Wang March 10, 2023, 1:38 p.m. UTC
  Use IS_ENABLED(CONFIG_HWPOISON_INJECT) to check whether or not to
enable HWPoison injector module.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/memory-failure.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

David Hildenbrand March 10, 2023, 2:13 p.m. UTC | #1
On 10.03.23 14:38, Kefeng Wang wrote:
> Use IS_ENABLED(CONFIG_HWPOISON_INJECT) to check whether or not to
> enable HWPoison injector module.
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@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 fae9baf3be16..f761704d27d7 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -168,7 +168,7 @@ static bool page_handle_poison(struct page *page, bool hugepage_or_freepage, boo
>   	return true;
>   }
>   
> -#if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
> +#if IS_ENABLED(CONFIG_HWPOISON_INJECT)
>   
>   u32 hwpoison_filter_enable = 0;
>   u32 hwpoison_filter_dev_major = ~0U;

Reviewed-by: David Hildenbrand <david@redhat.com>
  
Andrew Morton March 12, 2023, 8:50 p.m. UTC | #2
On Fri, 10 Mar 2023 21:38:43 +0800 Kefeng Wang <wangkefeng.wang@huawei.com> wrote:

> Use IS_ENABLED(CONFIG_HWPOISON_INJECT) to check whether or not to
> enable HWPoison injector module.

This is quite clear from the patch itself.  What is unclear is "why". 
Does it fix a build error?  If so, please describe and add a Fixes: if
appropriate.  Is it just a cleanup?  etcetera.

Thanks.

> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -168,7 +168,7 @@ static bool page_handle_poison(struct page *page, bool hugepage_or_freepage, boo
>  	return true;
>  }
>  
> -#if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
> +#if IS_ENABLED(CONFIG_HWPOISON_INJECT)
>  
>  u32 hwpoison_filter_enable = 0;
>  u32 hwpoison_filter_dev_major = ~0U;
> -- 
> 2.35.3
  
HORIGUCHI NAOYA(堀口 直也) March 13, 2023, 4:25 a.m. UTC | #3
On Fri, Mar 10, 2023 at 09:38:43PM +0800, Kefeng Wang wrote:
> Use IS_ENABLED(CONFIG_HWPOISON_INJECT) to check whether or not to
> enable HWPoison injector module.
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>

Hi, Kefeng,

Thanks for the patch, looks good to me, but as Andrew commented,
please add some info about the motivation in the commit log.

With the update,

Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
  
Kefeng Wang March 13, 2023, 5:10 a.m. UTC | #4
On 2023/3/13 4:50, Andrew Morton wrote:
> On Fri, 10 Mar 2023 21:38:43 +0800 Kefeng Wang <wangkefeng.wang@huawei.com> wrote:
> 
>> Use IS_ENABLED(CONFIG_HWPOISON_INJECT) to check whether or not to
>> enable HWPoison injector module.
> 
> This is quite clear from the patch itself.  What is unclear is "why".
> Does it fix a build error?  If so, please describe and add a Fixes: if
> appropriate.  Is it just a cleanup?  etcetera.

oh, it's just a cleanup, I think it is no need to use the word 'correct',
will update the subject and change log.
  

Patch

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index fae9baf3be16..f761704d27d7 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -168,7 +168,7 @@  static bool page_handle_poison(struct page *page, bool hugepage_or_freepage, boo
 	return true;
 }
 
-#if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
+#if IS_ENABLED(CONFIG_HWPOISON_INJECT)
 
 u32 hwpoison_filter_enable = 0;
 u32 hwpoison_filter_dev_major = ~0U;