[PATCH v2 2/7] hugetlb: support migrate charging for surplus hugepages

TSUKADA Koutaro
2018-05-18T04:32:41Z

Surplus hugepages allocated for migration also charge to memory cgroup.

Signed-off-by: TSUKADA Koutaro <tsukada@ascade.co.jp>
---
hugetlb.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 679c151f..2e7b543 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1687,6 +1687,8 @@ static struct page *alloc_migrate_huge_page(struct hstate *h, gfp_t gfp_mask,
if (!page)
return NULL;

+ surplus_hugepage_set_charge(h, page);
+
/*
* We do not account these pages as surplus because they are only
* temporary and will be released properly on the last reference

--
Tsukada