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powerpc: move memstart_addr and kernstart_addr to init-common.c

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These two variables are both defined in init_32.c and init_64.c. Move
them to init-common.c and make them __ro_after_init.

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Diana Craciun <diana.craciun@nxp.com>
Tested-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Jason Yan
2019-09-20 17:45:36 +08:00
committed by Michael Ellerman
parent 8054df0570
commit 4ed47dbefa
3 changed files with 5 additions and 10 deletions
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5
arch/powerpc/mm/init_64.c
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@@ -63,11 +63,6 @@
#include <mm/mmu_decl.h>
phys_addr_t memstart_addr = ~0;
EXPORT_SYMBOL_GPL(memstart_addr);
phys_addr_t kernstart_addr;
EXPORT_SYMBOL_GPL(kernstart_addr);
#ifdef CONFIG_SPARSEMEM_VMEMMAP
/*
* Given an address within the vmemmap, determine the pfn of the page that