Re: [PATCH 3/7] struct page: add field for vm_struct

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On 25/02/18 05:38, Matthew Wilcox wrote:
> On Fri, Feb 23, 2018 at 04:48:03PM +0200, Igor Stoppa wrote:
>> @@ -1769,6 +1771,9 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
>>  
>>  	kmemleak_vmalloc(area, size, gfp_mask);
>>  
>> +	for (i = 0; i < area->nr_pages; i++)
>> +		area->pages[i]->area = area;
>> +
>>  	return addr;
>>  
>>  fail:
> 
> IMO, this is the wrong place to initialise the page->area.  It should be
> done in __vmalloc_area_node() like so:
> 
>                         area->nr_pages = i;
>                         goto fail;
>                 }
> +		page->area = area;
>                 area->pages[i] = page;
>                 if (gfpflags_allow_blocking(gfp_mask))
>                         cond_resched();
> 


ok

--
igor

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