1 files changed, 3 insertions, 0 deletions

diff --git a/lib/cpumask.c b/lib/cpumask.c
index 087a3e9a0202..0cb672eb107c 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -165,6 +165,9 @@ EXPORT_SYMBOL(zalloc_cpumask_var);
 void __init alloc_bootmem_cpumask_var(cpumask_var_t *mask)
 {
         *mask = memblock_alloc(cpumask_size(), SMP_CACHE_BYTES);
+        if (!*mask)
+                panic("%s: Failed to allocate %u bytes\n", __func__,
+                      cpumask_size());
 }
 
 /**