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-rw-r--r--arch/riscv/mm/init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index f4adb3684f3d..8d22973bde40 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -150,9 +150,9 @@ void __init setup_bootmem(void)
/* Reserve from the start of the kernel to the end of the kernel */
memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start);
- set_max_mapnr(PFN_DOWN(mem_size));
max_pfn = PFN_DOWN(memblock_end_of_DRAM());
max_low_pfn = max_pfn;
+ set_max_mapnr(max_low_pfn);
#ifdef CONFIG_BLK_DEV_INITRD
setup_initrd();