On 04/10/2017 07:03 AM, Michal Hocko wrote:
> From: Michal Hocko <mhocko@xxxxxxxx>
>
> the primary purpose of this helper is to query the node state so use
> the node id directly. This is a preparatory patch for later changes.
>
> This shouldn't introduce any functional change
>
> Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
> ---
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Thanks,
Yasuaki Ishimatsu
> mm/memory_hotplug.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index 9ed251811ec3..342332f29364 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -940,15 +940,15 @@ static int online_pages_range(unsigned long start_pfn, unsigned long nr_pages,
> * When CONFIG_MOVABLE_NODE, we permit onlining of a node which doesn't have
> * normal memory.
> */
> -static bool can_online_high_movable(struct zone *zone)
> +static bool can_online_high_movable(int nid)
> {
> return true;
> }
> #else /* CONFIG_MOVABLE_NODE */
> /* ensure every online node has NORMAL memory */
> -static bool can_online_high_movable(struct zone *zone)
> +static bool can_online_high_movable(int nid)
> {
> - return node_state(zone_to_nid(zone), N_NORMAL_MEMORY);
> + return node_state(nid, N_NORMAL_MEMORY);
> }
> #endif /* CONFIG_MOVABLE_NODE */
>
> @@ -1082,7 +1082,7 @@ int __ref online_pages(unsigned long pfn, unsigned long nr_pages, int online_typ
>
> if ((zone_idx(zone) > ZONE_NORMAL ||
> online_type == MMOP_ONLINE_MOVABLE) &&
> - !can_online_high_movable(zone))
> + !can_online_high_movable(pfn_to_nid(pfn)))
> return -EINVAL;
>
> if (online_type == MMOP_ONLINE_KERNEL) {
>
--
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