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-rw-r--r--mm/page_alloc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d80e1868e570..41c6e3aa059f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2929,6 +2929,14 @@ void __init free_bootmem_with_active_regions(int nid,
}
}
+void __init work_with_active_regions(int nid, work_fn_t work_fn, void *data)
+{
+ int i;
+
+ for_each_active_range_index_in_nid(i, nid)
+ work_fn(early_node_map[i].start_pfn, early_node_map[i].end_pfn,
+ data);
+}
/**
* sparse_memory_present_with_active_regions - Call memory_present for each active range
* @nid: The node to call memory_present for. If MAX_NUMNODES, all nodes will be used.