diff mbox series

[v1,1/1] mm: page_alloc: Avoid defining unused function

Message ID 20240423150622.2526825-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State New
Headers show
Series [v1,1/1] mm: page_alloc: Avoid defining unused function | expand

Commit Message

Andy Shevchenko April 23, 2024, 3:06 p.m. UTC
In some configurations I got
mm/page_alloc.c:656:20: warning: unused function 'add_to_free_list' [-Wunused-function]
Becuase the only user is guarged with a certain ifdeffery,
do the same for add_to_free_list().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 mm/page_alloc.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Liam R. Howlett April 23, 2024, 3:55 p.m. UTC | #1
* Andy Shevchenko <andriy.shevchenko@linux.intel.com> [240423 11:06]:
> In some configurations I got
> mm/page_alloc.c:656:20: warning: unused function 'add_to_free_list' [-Wunused-function]
> Becuase the only user is guarged with a certain ifdeffery,
> do the same for add_to_free_list().

Why not relocate it within the existing CONFIG_MEMORY_FAILURE block?

> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  mm/page_alloc.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 33d4a1be927b..0fb796b700a4 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -653,6 +653,7 @@ static inline void __add_to_free_list(struct page *page, struct zone *zone,
>  	area->nr_free++;
>  }
>  
> +#ifdef CONFIG_MEMORY_FAILURE
>  static inline void add_to_free_list(struct page *page, struct zone *zone,
>  				    unsigned int order, int migratetype,
>  				    bool tail)
> @@ -660,6 +661,7 @@ static inline void add_to_free_list(struct page *page, struct zone *zone,
>  	__add_to_free_list(page, zone, order, migratetype, tail);
>  	account_freepages(zone, 1 << order, migratetype);
>  }
> +#endif
>  
>  /*
>   * Used for pages which are on another list. Move the pages to the tail
> -- 
> 2.43.0.rc1.1336.g36b5255a03ac
> 
>
Andy Shevchenko April 23, 2024, 4:06 p.m. UTC | #2
On Tue, Apr 23, 2024 at 11:55:49AM -0400, Liam R. Howlett wrote:
> * Andy Shevchenko <andriy.shevchenko@linux.intel.com> [240423 11:06]:
> > In some configurations I got
> > mm/page_alloc.c:656:20: warning: unused function 'add_to_free_list' [-Wunused-function]
> > Becuase the only user is guarged with a certain ifdeffery,
> > do the same for add_to_free_list().

> Why not relocate it within the existing CONFIG_MEMORY_FAILURE block?

No objections, I'm not familiar with the idea behind this helper.
diff mbox series

Patch

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 33d4a1be927b..0fb796b700a4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -653,6 +653,7 @@  static inline void __add_to_free_list(struct page *page, struct zone *zone,
 	area->nr_free++;
 }
 
+#ifdef CONFIG_MEMORY_FAILURE
 static inline void add_to_free_list(struct page *page, struct zone *zone,
 				    unsigned int order, int migratetype,
 				    bool tail)
@@ -660,6 +661,7 @@  static inline void add_to_free_list(struct page *page, struct zone *zone,
 	__add_to_free_list(page, zone, order, migratetype, tail);
 	account_freepages(zone, 1 << order, migratetype);
 }
+#endif
 
 /*
  * Used for pages which are on another list. Move the pages to the tail