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

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On Thu, Jul 15, 2021 at 2:01 PM Zhansaya Bagdauletkyzy
<zhansayabagdaulet@xxxxxxxxx> wrote:
>
> ksm_run is declared as unsigned long but in run_store(), it is converted
> to unsigned int. Change its type to unsigned int.
>
> Signed-off-by: Zhansaya Bagdauletkyzy <zhansayabagdaulet@xxxxxxxxx>
> ---
>  mm/ksm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/ksm.c b/mm/ksm.c
> index 3fa9bc8a67cf..057d0c245bf4 100644
> --- a/mm/ksm.c
> +++ 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;
>  static void wait_while_offlining(void);
>
>  static DECLARE_WAIT_QUEUE_HEAD(ksm_thread_wait);
> @@ -2874,7 +2874,7 @@ KSM_ATTR(pages_to_scan);
>  static ssize_t run_show(struct kobject *kobj, struct kobj_attribute *attr,
>                         char *buf)
>  {
> -       return sysfs_emit(buf, "%lu\n", ksm_run);
> +       return sysfs_emit(buf, "%u\n", ksm_run);

Reviewed-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>




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