From: Xianting Tian xianting.tian@linux.alibaba.com
commit f9293ad46d8ba9909187a37b7215324420ad4596 upstream.
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 guoren@kernel.org Reviewed-by: Heiko Stuebner heiko@sntech.de Signed-off-by: Xianting Tian xianting.tian@linux.alibaba.com Link: https://lore.kernel.org/r/20220811074150.3020189-5-xianting.tian@linux.aliba... Cc: stable@vger.kernel.org Fixes: 2bfc6cd81bd1 ("riscv: Move kernel mapping outside of linear mapping") Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/riscv/mm/init.c | 4 ++++ 1 file changed, 4 insertions(+)
--- 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)) {