Re: [PATCH 1/2] mm: KSM: fix ksm_run data type

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To: Zhansaya Bagdauletkyzy <zhansayabagdaulet@xxxxxxxxx>
Subject: Re: [PATCH 1/2] mm: KSM: fix ksm_run data type
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Thu, 15 Jul 2021 19:17:16 +0100
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, tyhicks@xxxxxxxxxxxxxxxxxxx, pasha.tatashin@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <343394260f599d940cacc37f1dcc0309239ae220.1626371112.git.zhansayabagdaulet@gmail.com>
References: <cover.1626371112.git.zhansayabagdaulet@gmail.com> <343394260f599d940cacc37f1dcc0309239ae220.1626371112.git.zhansayabagdaulet@gmail.com>

On Fri, Jul 16, 2021 at 12:01:01AM +0600, Zhansaya Bagdauletkyzy wrote:
> +++ b/mm/ksm.c
> @@ -289,7 +289,7 @@ static int ksm_nr_node_ids = 1;
>  #define KSM_RUN_MERGE	1
>  #define KSM_RUN_UNMERGE	2
>  #define KSM_RUN_OFFLINE	4
> -static unsigned long ksm_run = KSM_RUN_STOP;
> +static unsigned int ksm_run = KSM_RUN_STOP;

Should this be an enum instead?

Follow-Ups:
- Re: [PATCH 1/2] mm: KSM: fix ksm_run data type
  - From: Pavel Tatashin

References:
- [PATCH 0/2] mm: KSM: fix data types
  - From: Zhansaya Bagdauletkyzy
- [PATCH 1/2] mm: KSM: fix ksm_run data type
  - From: Zhansaya Bagdauletkyzy

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