__free_pages_ok() handles higher order (order != 0) pages. Transplant
hook is added here as this is where the struct zone to free to is
decided.
Signed-off-by: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4628443..f8ae178 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -59,6 +59,7 @@
#include <linux/migrate.h>
#include <linux/page-debug-flags.h>
#include <linux/sched/rt.h>
+#include <linux/dnuma.h>
#include <asm/tlbflush.h>
#include <asm/div64.h>
@@ -732,6 +733,13 @@ static void __free_pages_ok(struct page *page, unsigned int order)
{
unsigned long flags;
int migratetype;
+ int dest_nid = dnuma_page_needs_move(page);
+ struct zone *zone;
+
+ if (dest_nid != NUMA_NO_NODE)
+ zone = nid_zone(dest_nid, page_zonenum(page));
+ else
+ zone = page_zone(page);
if (!free_pages_prepare(page, order))
return;
@@ -740,7 +748,11 @@ static void __free_pages_ok(struct page *page, unsigned int order)
__count_vm_events(PGFREE, 1 << order);
migratetype = get_pageblock_migratetype(page);
set_freepage_migratetype(page, migratetype);
- free_one_page(page_zone(page), page, order, migratetype);
+ if (dest_nid != NUMA_NO_NODE)
+ dnuma_prior_free_to_new_zone(page, order, zone, dest_nid);
+ free_one_page(zone, page, order, migratetype);
+ if (dest_nid != NUMA_NO_NODE)
+ dnuma_post_free_to_new_zone(order);
local_irq_restore(flags);
}
--
1.8.2.1
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