Re: [PATCH] mm/zsmalloc: fix -Wunneeded-internal-declaration warning

[Minchan Kim]

On Tue, May 23, 2017 at 10:38:57PM -0700, Nick Desaulniers wrote:
> is_first_page() is only called from the macro VM_BUG_ON_PAGE() which is
> only compiled in as a runtime check when CONFIG_DEBUG_VM is set,
> otherwise is checked at compile time and not actually compiled in.
> 
> Fixes the following warning, found with Clang:
> 
> mm/zsmalloc.c:472:12: warning: function 'is_first_page' is not needed and
> will not be emitted [-Wunneeded-internal-declaration]
> static int is_first_page(struct page *page)
>            ^
> 
> Signed-off-by: Nick Desaulniers <nick.desaulniers@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>

Thanks.