Hi Sergey,

Thank you for noticing this! I will send out an updated patch soon.

Pavel

On Wed, Feb 14, 2018 at 12:08 AM, Sergey Senozhatsky
<sergey.senozhatsky.w...@gmail.com> wrote:
> On (02/09/18 14:22), Pavel Tatashin wrote:
> [..]
>> +/*
>> + * If this zone has deferred pages, try to grow it by initializing enough
>> + * deferred pages to satisfy the allocation specified by order, rounded up 
>> to
>> + * the nearest PAGES_PER_SECTION boundary.  So we're adding memory in 
>> increments
>> + * of SECTION_SIZE bytes by initializing struct pages in increments of
>> + * PAGES_PER_SECTION * sizeof(struct page) bytes.
>> + *
>> + * Return true when zone was grown by at least number of pages specified by
>> + * order. Otherwise return false.
>> + *
>> + * Note: We use noinline because this function is needed only during boot, 
>> and
>> + * it is called from a __ref function _deferred_grow_zone. This way we are
>> + * making sure that it is not inlined into permanent text section.
>> + */
>> +static noinline bool __init
>> +deferred_grow_zone(struct zone *zone, unsigned int order)
>> +{
>> +     int zid = zone_idx(zone);
>> +     int nid = zone->node;
>
>                 ^^^^^^^^^
>
> Should be CONFIG_NUMA dependent
>
> struct zone {
> ...
> #ifdef CONFIG_NUMA
>         int node;
> #endif
> ...
>
>         -ss
>
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