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-rw-r--r--mm/bootmem.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 9b134460b016..2058cb7595f2 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -303,7 +303,14 @@ unsigned long __init free_all_bootmem_node(pg_data_t *pgdat)
unsigned long __init free_all_bootmem(void)
{
#ifdef CONFIG_NO_BOOTMEM
- return free_all_memory_core_early(NODE_DATA(0)->node_id);
+ /*
+ * We need to use MAX_NUMNODES instead of NODE_DATA(0)->node_id
+ * because in some case like Node0 doesnt have RAM installed
+ * low ram will be on Node1
+ * Use MAX_NUMNODES will make sure all ranges in early_node_map[]
+ * will be used instead of only Node0 related
+ */
+ return free_all_memory_core_early(MAX_NUMNODES);
#else
return free_all_bootmem_core(NODE_DATA(0)->bdata);
#endif