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SubjectRe: [PATCH] mm/page_alloc: remove unused struct zone *z variable
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On 01/09/2016 12:29 AM, Kirill A. Shutemov wrote:
> On Fri, Jan 08, 2016 at 01:59:08PM +0600, Alexander Kuleshov wrote:
>> This patch removes unused struct zone *z variable which is
>> appeared in 86051ca5eaf5 (mm: fix usemap initialization)
>
> I guess it's a fix for 1e8ce83cd17f (mm: meminit: move page initialization
> into a separate function).

Yeah but it's not a bug, so a tag like that would be just noise.

>>
>> Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
>
> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

Acked-by: Vlastimil Babka <vbabka@suse.cz>

>> ---
>> mm/page_alloc.c | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>> index 9d666df..9bde098 100644
>> --- a/mm/page_alloc.c
>> +++ b/mm/page_alloc.c
>> @@ -4471,13 +4471,11 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
>> pg_data_t *pgdat = NODE_DATA(nid);
>> unsigned long end_pfn = start_pfn + size;
>> unsigned long pfn;
>> - struct zone *z;
>> unsigned long nr_initialised = 0;
>>
>> if (highest_memmap_pfn < end_pfn - 1)
>> highest_memmap_pfn = end_pfn - 1;
>>
>> - z = &pgdat->node_zones[zone];
>> for (pfn = start_pfn; pfn < end_pfn; pfn++) {
>> /*
>> * There can be holes in boot-time mem_map[]s
>> --
>> 2.6.2.485.g1bc8fea
>>
>> --
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