Re: [patch 26/54] powerpc: convert to setup_initial_init_mm()

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Le 08/07/2021 à 03:08, Andrew Morton a écrit :
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: 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.

The patch has been rebased because klimit doesn't exist anymore so the above sentence should be droped.


Link: https://lkml.kernel.org/r/20210608083418.137226-12-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

  arch/powerpc/kernel/setup-common.c |    5 +----
  1 file changed, 1 insertion(+), 4 deletions(-)

--- a/arch/powerpc/kernel/setup-common.c~powerpc-convert-to-setup_initial_init_mm
+++ a/arch/powerpc/kernel/setup-common.c
@@ -926,10 +926,7 @@ 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 = (unsigned long)_end;
+	setup_initial_init_mm(_stext, _etext, _edata, _end);
mm_iommu_init(&init_mm);
  	irqstack_early_init();
_




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