# \[PATCH v3 resend 15/15\] x86: convert to setup\_initial\_init\_mm()

- From: Kefeng Wang \<hidden\>
- Date: 2021-06-08 08:26:31 
- List: linux-mm
- Page: https://ratatoskr.run/linux-mm/2021/06/1406131
- Thread: https://ratatoskr.run/linux-mm/2021/06/1406116/t.md

```text
Use setup_initial_init_mm() helper to simplify code.

Cc: Thomas Gleixner <redacted>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: x86@kernel.org
Signed-off-by: Kefeng Wang <redacted>
---
 arch/x86/kernel/setup.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 1e720626069a..7ca94d062c79 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -870,10 +870,7 @@ void __init setup_arch(char **cmdline_p)
 
 	if (!boot_params.hdr.root_flags)
 		root_mountflags &= ~MS_RDONLY;
-	init_mm.start_code = (unsigned long) _text;
-	init_mm.end_code = (unsigned long) _etext;
-	init_mm.end_data = (unsigned long) _edata;
-	init_mm.brk = _brk_end;
+	setup_initial_init_mm(_text, _etext, _edata, (void *)_brk_end);
 
 	code_resource.start = __pa_symbol(_text);
 	code_resource.end = __pa_symbol(_etext)-1;
-- 
2.26.2


```
