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-rw-r--r--arch/powerpc/mm/init_64.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 45b02fa11cd8..b219160a5b1a 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -199,8 +199,11 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
* fail due to alignment issues when using 16MB hugepages, so
* fall back to system memory if the altmap allocation fail.
*/
- if (altmap)
+ if (altmap) {
p = altmap_alloc_block_buf(page_size, altmap);
+ if (!p)
+ pr_debug("altmap block allocation failed, falling back to system memory");
+ }
if (!p)
p = vmemmap_alloc_block_buf(page_size, node);
if (!p)