Messages in this thread | | | Date | Thu, 04 Jun 2015 11:44:40 -0700 | From | Dave Hansen <> | Subject | Re: [RFC PATCH 11/12] mm: add the PCP interface |
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On 06/04/2015 06:04 AM, Xishi Qiu wrote: > spin_lock(&zone->lock); > for (i = 0; i < count; ++i) { > - struct page *page = __rmqueue(zone, order, migratetype); > + struct page *page; > + > + if (is_migrate_mirror(migratetype)) > + page = __rmqueue_smallest(zone, order, migratetype); > + else > + page = __rmqueue(zone, order, migratetype); > if (unlikely(page == NULL)) > break;
Why is this necessary/helpful? The changelog doesn't tell me either. :(
Why was this code modified in stead of putting the changes in __rmqueue() itself (like CMA did)?
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