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-rw-r--r--arch/powerpc/mm/mem.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index f078a1f94fc2..ac79dbde1015 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -119,12 +119,18 @@ int arch_add_memory(int nid, u64 start, u64 size, bool for_device)
struct zone *zone;
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
+ int rc;
pgdata = NODE_DATA(nid);
start = (unsigned long)__va(start);
- if (create_section_mapping(start, start + size))
- return -EINVAL;
+ rc = create_section_mapping(start, start + size);
+ if (rc) {
+ pr_warning(
+ "Unable to create mapping for hot added memory 0x%llx..0x%llx: %d\n",
+ start, start + size, rc);
+ return -EFAULT;
+ }
/* this should work for most non-highmem platforms */
zone = pgdata->node_zones +