s390: convert to setup_initial_init_mm()

Use setup_initial_init_mm() helper to simplify code.

Link: https://lkml.kernel.org/r/20210608083418.137226-14-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index b58ee83f30e38439ded156d9f8757ac23f98c00a..5486d82470b5e4e92b83ba40679b6e2c87be037c 100644 (file)
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -1028,10 +1028,7 @@ void __init setup_arch(char **cmdline_p)
 
         ROOT_DEV = Root_RAM0;
 
-       init_mm.start_code = (unsigned long) _text;
-       init_mm.end_code = (unsigned long) _etext;
-       init_mm.end_data = (unsigned long) _edata;
-       init_mm.brk = (unsigned long) _end;
+       setup_initial_init_mm(_text, _etext, _edata, _end);
 
        if (IS_ENABLED(CONFIG_EXPOLINE_AUTO))
                nospec_auto_detect();