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powerpc/mm: Abstraction for vmemmap and map_kernel_page()

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For hash we create vmemmap mapping using bolted hash page table entries.
For radix we fill the radix page table. The next patch will add the
radix details for creating vmemmap mappings.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V
2016-04-29 23:25:59 +10:00
committed by Michael Ellerman
parent 2bfd65e45e
commit 31a14fae92
6 changed files with 41 additions and 16 deletions
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5
arch/powerpc/mm/mmu_decl.h
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@@ -108,11 +108,6 @@ extern unsigned long Hash_size, Hash_mask;
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
extern int map_kernel_page(unsigned long ea, unsigned long pa,
unsigned long flags);
#endif /* CONFIG_PPC64 */
extern unsigned long ioremap_bot;
extern unsigned long __max_low_memory;
extern phys_addr_t __initial_memory_limit_addr;