linux-kernel - [PATCH v3 resend 15/15] x86: convert to setup_initial_init

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Date:   Tue, 8 Jun 2021 16:34:18 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linux-mm@...ck.org>, Kefeng Wang <wangkefeng.wang@...wei.com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, <x86@...nel.org>
Subject: [PATCH v3 resend 15/15] x86: convert to setup_initial_init_mm()

Use setup_initial_init_mm() helper to simplify code.

Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: x86@...nel.org
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 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