Re: [PATCH v3 resend 11/15] powerpc: convert to setup_initial_init_mm()

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Le 08/06/2021 à 16:36, Souptick Joarder a écrit :
On Tue, Jun 8, 2021 at 1:56 PM Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote:

Use setup_initial_init_mm() helper to simplify code.

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

With this change klimit left with no user in this file and can be
moved to some appropriate header.
But in a separate series.

I have a patch to remove klimit, see https://patchwork.ozlabs.org/project/linuxppc-dev/patch/9fa9ba6807c17f93f35a582c199c646c4a8bfd9c.1622800638.git.christophe.leroy@xxxxxxxxxx/

Christophe




Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
  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







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