Re: [PATCH 1/7] mm: remove redundant K() macro definition

[Kefeng Wang <wangkefeng.wang@huawei.com>]

On 2023/8/4 9:25, Peng Zhang wrote:
> From: ZhangPeng <zhangpeng362@huawei.com>
> 
> Since commit eb8589b4f8c1 ("mm: move mem_init_print_info() to
> mm_init.c"), the K() macro definition has been moved to mm/internal.h.
> Therefore, the definitions in mm/memcontrol.c, mm/backing-dev.c and
> mm/oom_kill.c are redundant. Drop redundant definitions.
> 
> Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
> ---
>   mm/backing-dev.c | 3 +--
>   mm/memcontrol.c  | 1 -
>   mm/oom_kill.c    | 2 --
>   3 files changed, 1 insertion(+), 5 deletions(-)
> 

...
> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
> index 612b5597d3af..471061a3a0f5 100644
> --- a/mm/oom_kill.c
> +++ b/mm/oom_kill.c
> @@ -479,8 +479,6 @@ static DECLARE_WAIT_QUEUE_HEAD(oom_victims_wait);
>   
>   static bool oom_killer_disabled __read_mostly;
>   
> -#define K(x) ((x) << (PAGE_SHIFT-10))
> -
>   /*
>    * task->mm can be NULL if the task is the exited group leader.  So to
>    * determine whether the task is using a particular mm, we examine all the

Please drop  "#undef K" in oom_kill.c