Add a "node" variant of the alloc_pages_bulk_array() function.
The helper guarantees that a __alloc_pages_bulk() is invoked
with a valid NUMA node ID.
Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxx>
---
include/linux/gfp.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 11da8af06704..94f0b8b1cb55 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -536,6 +536,15 @@ alloc_pages_bulk_array(gfp_t gfp, unsigned long nr_pages, struct page **page_arr
return __alloc_pages_bulk(gfp, numa_mem_id(), NULL, nr_pages, NULL, page_array);
}
+static inline unsigned long
+alloc_pages_bulk_array_node(gfp_t gfp, int nid, unsigned long nr_pages, struct page **page_array)
+{
+ if (nid == NUMA_NO_NODE)
+ nid = numa_mem_id();
+
+ return __alloc_pages_bulk(gfp, nid, NULL, nr_pages, NULL, page_array);
+}
+
/*
* Allocate pages, preferring the node given as nid. The node must be valid and
* online. For more general interface, see alloc_pages_node().
--
2.20.1
