riscv: Move setup_bootmem into paging_init

Make setup_bootmem() static.
Signed-off-by: NKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: NPalmer Dabbelt <palmerdabbelt@google.com>

arch/riscv/include/asm/pgtable.h

@@ -698,7 +698,6 @@ extern uintptr_t _dtb_early_pa;
 #define dtb_early_pa	_dtb_early_pa
 #endif /* CONFIG_XIP_KERNEL */
 
-void setup_bootmem(void);
 void paging_init(void);
 void misc_mem_init(void);
 

arch/riscv/kernel/setup.c

@@ -276,7 +276,6 @@ void __init setup_arch(char **cmdline_p)
 	parse_early_param();
 
 	efi_init();
-	setup_bootmem();
 	paging_init();
 #if IS_ENABLED(CONFIG_BUILTIN_DTB)
 	unflatten_and_copy_device_tree();

arch/riscv/mm/init.c

@@ -114,7 +114,7 @@ void __init mem_init(void)
 	print_vm_layout();
 }
 
-void __init setup_bootmem(void)
+static void __init setup_bootmem(void)
 {
 	phys_addr_t vmlinux_end = __pa_symbol(&_end);
 	phys_addr_t vmlinux_start = __pa_symbol(&_start);
@@ -861,6 +861,7 @@ RESERVEDMEM_OF_DECLARE(elfcorehdr, "linux,elfcorehdr", elfcore_hdr_setup);
 
 void __init paging_init(void)
 {
+	setup_bootmem();
 	setup_vm_final();
 }