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-rw-r--r--mm/numa_memblks.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/mm/numa_memblks.c b/mm/numa_memblks.c
index ff4054f4334d..541a99c4071a 100644
--- a/mm/numa_memblks.c
+++ b/mm/numa_memblks.c
@@ -201,6 +201,28 @@ int __init numa_add_memblk(int nid, u64 start, u64 end)
}
/**
+ * numa_add_reserved_memblk - Add one numa_memblk to numa_reserved_meminfo
+ * @nid: NUMA node ID of the new memblk
+ * @start: Start address of the new memblk
+ * @end: End address of the new memblk
+ *
+ * Add a new memblk to the numa_reserved_meminfo.
+ *
+ * Usage Case: numa_cleanup_meminfo() reconciles all numa_memblk instances
+ * against memblock_type information and moves any that intersect reserved
+ * ranges to numa_reserved_meminfo. However, when that information is known
+ * ahead of time, we use numa_add_reserved_memblk() to add the numa_memblk
+ * to numa_reserved_meminfo directly.
+ *
+ * RETURNS:
+ * 0 on success, -errno on failure.
+ */
+int __init numa_add_reserved_memblk(int nid, u64 start, u64 end)
+{
+ return numa_add_memblk_to(nid, start, end, &numa_reserved_meminfo);
+}
+
+/**
* numa_cleanup_meminfo - Cleanup a numa_meminfo
* @mi: numa_meminfo to clean up
*