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-rw-r--r--mm/hugetlb.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3eedb187e549..040d53ac1f8d 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -867,7 +867,7 @@ static void enqueue_huge_page(struct hstate *h, struct page *page)
h->free_huge_pages_node[nid]++;
}
-static struct page *dequeue_huge_page_node(struct hstate *h, int nid)
+static struct page *dequeue_huge_page_node_exact(struct hstate *h, int nid)
{
struct page *page;
@@ -887,6 +887,22 @@ static struct page *dequeue_huge_page_node(struct hstate *h, int nid)
return page;
}
+static struct page *dequeue_huge_page_node(struct hstate *h, int nid)
+{
+ struct page *page;
+ int node;
+
+ if (nid != NUMA_NO_NODE)
+ return dequeue_huge_page_node_exact(h, nid);
+
+ for_each_online_node(node) {
+ page = dequeue_huge_page_node_exact(h, node);
+ if (page)
+ return page;
+ }
+ return NULL;
+}
+
/* Movability of hugepages depends on migration support. */
static inline gfp_t htlb_alloc_mask(struct hstate *h)
{