nios2: convert to setup_initial_init_mm()

Use setup_initial_init_mm() helper to simplify code.

Link: https://lkml.kernel.org/r/20210608083418.137226-10-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c
index d2f2195..cf8d687 100644 (file)
--- a/arch/nios2/kernel/setup.c
+++ b/arch/nios2/kernel/setup.c
@@ -156,10 +156,7 @@ void __init setup_arch(char **cmdline_p)
        memory_start = memblock_start_of_DRAM();
        memory_end = memblock_end_of_DRAM();
 
-       init_mm.start_code = (unsigned long) _stext;
-       init_mm.end_code = (unsigned long) _etext;
-       init_mm.end_data = (unsigned long) _edata;
-       init_mm.brk = (unsigned long) _end;
+       setup_initial_init_mm(_stext, _etext, _edata, _end);
        init_task.thread.kregs = &fake_regs;
 
        /* Keep a copy of command line */