Re: [PATCH] slob: remove unused funtion

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On Sat, Jul 10, 2010 at 06:05:53PM +0800, Bob Liu wrote:
> funtion struct_slob_page_wrong_size() is not used anymore, remove it
> 
> Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
> ---
>  mm/slob.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/slob.c b/mm/slob.c
> index d582171..832d2b5 100644
> --- a/mm/slob.c
> +++ b/mm/slob.c
> @@ -109,8 +109,6 @@ struct slob_page {
>  		struct page page;
>  	};
>  };
> -static inline void struct_slob_page_wrong_size(void)
> -{ BUILD_BUG_ON(sizeof(struct slob_page) != sizeof(struct page)); }

It is not unused!  Try `make mm/slob.o' with the following patch
applied:

diff --git a/mm/slob.c b/mm/slob.c
index 23631e2..d50ff8e 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -106,6 +106,7 @@ struct slob_page {
 		};
 		struct page page;
 	};
+	unsigned long foo;
 };
 static inline void struct_slob_page_wrong_size(void)
 { BUILD_BUG_ON(sizeof(struct slob_page) != sizeof(struct page)); }

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