Modules always live before the kernel, MODULES_END is fixed but
MODULES_VADDR isn't fixed, it depends on the kernel size.
Let's add it to virtual kernel memory layout dump.

As MODULES is only defined for CONFIG_64BIT, so we dump it when
CONFIG_64BIT=y.

eg,
MODULES_VADDR - MODULES_END
0xffffffff01133000 - 0xffffffff80000000

Reviewed-by: Guo Ren <guo...@kernel.org>
Reviewed-by: Heiko Stuebner <he...@sntech.de>
Signed-off-by: Xianting Tian <xianting.t...@linux.alibaba.com>
---
 arch/riscv/mm/init.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index a88b7dc31a68..b56a0a75533f 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -135,6 +135,10 @@ static void __init print_vm_layout(void)
                (unsigned long)VMEMMAP_END);
        print_ml("vmalloc", (unsigned long)VMALLOC_START,
                (unsigned long)VMALLOC_END);
+#ifdef CONFIG_64BIT
+       print_ml("modules", (unsigned long)MODULES_VADDR,
+               (unsigned long)MODULES_END);
+#endif
        print_ml("lowmem", (unsigned long)PAGE_OFFSET,
                (unsigned long)high_memory);
        if (IS_ENABLED(CONFIG_64BIT)) {
-- 
2.17.1

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