linux-kernel - [PATCH v3 resend 11/15] powerpc: convert to setup_initial_init

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Message-ID: <20210608083418.137226-12-wangkefeng.wang@huawei.com>
Date:   Tue, 8 Jun 2021 16:34:14 +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>,
        "Michael Ellerman" <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        <linuxppc-dev@...ts.ozlabs.org>
Subject: [PATCH v3 resend 11/15] powerpc: convert to setup_initial_init_mm()

Use setup_initial_init_mm() helper to simplify code.

Note klimit is (unsigned long) _end, with new helper,
will use _end directly.

Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 arch/powerpc/kernel/setup-common.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 74a98fff2c2f..96697c6e1e16 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -927,10 +927,7 @@ void __init setup_arch(char **cmdline_p)
 
 	klp_init_thread_info(&init_task);
 
-	init_mm.start_code = (unsigned long)_stext;
-	init_mm.end_code = (unsigned long) _etext;
-	init_mm.end_data = (unsigned long) _edata;
-	init_mm.brk = klimit;
+	setup_initial_init_mm(_stext, _etext, _edata, _end);
 
 	mm_iommu_init(&init_mm);
 	irqstack_early_init();
-- 
2.26.2