Re: [PATCH v1 1/5] mm/memory_hotplug: drop intermediate __offline_pages

From: Pasha Tatashin
Date: Thu Aug 30 2018 - 16:21:53 EST




On 8/30/18 4:17 PM, Pasha Tatashin wrote:
> I guess the wrap was done because of __ref, but no reason to have this
> wrap. So looks good to me.
>
> Reviewed-by: Pavel Tatashin <pavel.tatashin@xxxxxxxxxxxxx>>
> On 8/16/18 6:06 AM, David Hildenbrand wrote:
>> Let's avoid this indirection and just call the function offline_pages().
>>
>> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
>> ---
>> mm/memory_hotplug.c | 13 +++----------
>> 1 file changed, 3 insertions(+), 10 deletions(-)
>>
>> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
>> index 6a2726920ed2..090cf474de87 100644
>> --- a/mm/memory_hotplug.c
>> +++ b/mm/memory_hotplug.c
>> @@ -1589,10 +1589,10 @@ static void node_states_clear_node(int node, struct memory_notify *arg)
>> node_clear_state(node, N_MEMORY);
>> }
>>
>> -static int __ref __offline_pages(unsigned long start_pfn,
>> - unsigned long end_pfn)
>> +/* Must be protected by mem_hotplug_begin() or a device_lock */
>> +int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
^^^
I meant to say keep the __ref, otherwise looks good.

Thank you,
Pavel