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-rw-r--r--arch/tile/kernel/setup.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index e7d54c7..c1a697e 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -1334,6 +1334,10 @@ static void __init pcpu_fc_populate_pte(unsigned long addr)
pte_t *pte;
BUG_ON(pgd_addr_invalid(addr));
+ if (addr < VMALLOC_START || addr >= VMALLOC_END)
+ panic("PCPU addr %#lx outside vmalloc range %#lx..%#lx;"
+ " try increasing CONFIG_VMALLOC_RESERVE\n",
+ addr, VMALLOC_START, VMALLOC_END);
pgd = swapper_pg_dir + pgd_index(addr);
pud = pud_offset(pgd, addr);
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