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-rw-r--r--arch/powerpc/kernel/setup_64.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ff0aac42bb33..ba404dd9ce1d 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -905,6 +905,10 @@ static void __ref init_fallback_flush(void)
l1d_flush_fallback_area = memblock_alloc_try_nid(l1d_size * 2,
l1d_size, MEMBLOCK_LOW_LIMIT,
limit, NUMA_NO_NODE);
+ if (!l1d_flush_fallback_area)
+ panic("%s: Failed to allocate %llu bytes align=0x%llx max_addr=%pa\n",
+ __func__, l1d_size * 2, l1d_size, &limit);
+
for_each_possible_cpu(cpu) {
struct paca_struct *paca = paca_ptrs[cpu];