Re: [PATCH 1/2] mm: extract common code for calculating total memory size

[Christopher Lameter]

On Thu, 26 Oct 2017, Yang Shi wrote:

> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 935c4d4..e21b81e 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2050,6 +2050,31 @@ extern int __meminit __early_pfn_to_nid(unsigned long pfn,
>  static inline void zero_resv_unavail(void) {}
>  #endif
>
> +static inline void calc_mem_size(unsigned long *total, unsigned long *reserved,
> +				 unsigned long *highmem)
> +{

Huge incline function. This needs to go into mm/page_alloc.c or
mm/slab_common.c