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Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index efe29b53daf..16a0f32c482 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -627,6 +627,8 @@ static void free_huge_page(struct page *page)
BUG_ON(page_mapcount(page));
spin_lock(&hugetlb_lock);
+ hugetlb_cgroup_uncharge_page(hstate_index(h),
+ pages_per_huge_page(h), page);
if (h->surplus_huge_pages_node[nid] && huge_page_order(h) < MAX_ORDER) {
/* remove the page from active list */
list_del(&page->lru);
@@ -1115,7 +1117,10 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
struct hstate *h = hstate_vma(vma);
struct page *page;
long chg;
+ int ret, idx;
+ struct hugetlb_cgroup *h_cg;
+ idx = hstate_index(h);
/*
* Processes that did not create the mapping will have no
* reserves and will not have accounted against subpool
@@ -1131,6 +1136,11 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
if (hugepage_subpool_get_pages(spool, chg))
return ERR_PTR(-ENOSPC);
+ ret = hugetlb_cgroup_charge_cgroup(idx, pages_per_huge_page(h), &h_cg);
+ if (ret) {
+ hugepage_subpool_put_pages(spool, chg);
+ return ERR_PTR(-ENOSPC);
+ }
spin_lock(&hugetlb_lock);
page = dequeue_huge_page_vma(h, vma, addr, avoid_reserve);
spin_unlock(&hugetlb_lock);
@@ -1138,6 +1148,9 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
if (!page) {
page = alloc_buddy_huge_page(h, NUMA_NO_NODE);
if (!page) {
+ hugetlb_cgroup_uncharge_cgroup(idx,
+ pages_per_huge_page(h),
+ h_cg);
hugepage_subpool_put_pages(spool, chg);
return ERR_PTR(-ENOSPC);
}
@@ -1146,7 +1159,8 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
set_page_private(page, (unsigned long)spool);
vma_commit_reservation(h, vma, addr);
-
+ /* update page cgroup details */
+ hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, page);
return page;
}