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Commit 6cc27341 authored by Reza Arbab's avatar Reza Arbab Committed by Michael Ellerman
Browse files

powerpc/mm: add radix__create_section_mapping() 



Wire up memory hotplug page mapping for radix. Share the mapping
function already used by radix_init_pgtable().

Signed-off-by: default avatarReza Arbab <arbab@linux.vnet.ibm.com>
Acked-by: default avatarBalbir Singh <bsingharora@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent b5200ec9

arch/powerpc/include/asm/book3s/64/radix.h

+4 −0
Original line number Diff line number Diff line
@@ -291,5 +291,9 @@ static inline unsigned long radix__get_tree_size(void) 
	}

	return rts_field;

}



#ifdef CONFIG_MEMORY_HOTPLUG

int radix__create_section_mapping(unsigned long start, unsigned long end);

#endif /* CONFIG_MEMORY_HOTPLUG */

#endif /* __ASSEMBLY__ */

#endif

arch/powerpc/mm/pgtable-book3s64.c

+1 −1
Original line number Diff line number Diff line
@@ -131,7 +131,7 @@ void mmu_cleanup_all(void) 
int create_section_mapping(unsigned long start, unsigned long end)

{

	if (radix_enabled())

		return -ENODEV;

		return radix__create_section_mapping(start, end);



	return hash__create_section_mapping(start, end);

}

arch/powerpc/mm/pgtable-radix.c

+7 −0
Original line number Diff line number Diff line
@@ -481,6 +481,13 @@ void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base, 
	memblock_set_current_limit(first_memblock_base + first_memblock_size);

}



#ifdef CONFIG_MEMORY_HOTPLUG

int __ref radix__create_section_mapping(unsigned long start, unsigned long end)

{

	return create_physical_mapping(start, end);

}

#endif /* CONFIG_MEMORY_HOTPLUG */



#ifdef CONFIG_SPARSEMEM_VMEMMAP

int __meminit radix__vmemmap_create_mapping(unsigned long start,

				      unsigned long page_size,