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powerpc/mm/radix: Add radix callbacks for vmemmap and map_kernel page()

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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 23:26:00 +10:00
committed by Michael Ellerman
parent 31a14fae92
commit d9225ad923
3 changed files with 38 additions and 0 deletions
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12
arch/powerpc/include/asm/book3s/64/pgtable.h
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@@ -725,6 +725,13 @@ void pgtable_cache_init(void);
static inline int map_kernel_page(unsigned long ea, unsigned long pa,
unsigned long flags)
{
if (radix_enabled()) {
#if defined(CONFIG_PPC_RADIX_MMU) && defined(DEBUG_VM)
unsigned long page_size = 1 << mmu_psize_defs[mmu_io_psize].shift;
WARN((page_size != PAGE_SIZE), "I/O page size != PAGE_SIZE");
#endif
return radix__map_kernel_page(ea, pa, __pgprot(flags), PAGE_SIZE);
}
return hash__map_kernel_page(ea, pa, flags);
}
@@ -732,6 +739,8 @@ static inline int __meminit vmemmap_create_mapping(unsigned long start,
unsigned long page_size,
unsigned long phys)
{
if (radix_enabled())
return radix__vmemmap_create_mapping(start, page_size, phys);
return hash__vmemmap_create_mapping(start, page_size, phys);
}
@@ -739,6 +748,9 @@ static inline int __meminit vmemmap_create_mapping(unsigned long start,
static inline void vmemmap_remove_mapping(unsigned long start,
unsigned long page_size)
{
if (radix_enabled())
return radix__vmemmap_remove_mapping(start, page_size);
return hash__vmemmap_remove_mapping(start, page_size);
}
#endif

6
arch/powerpc/include/asm/book3s/64/radix.h
View File

@@ -130,6 +130,12 @@ static inline int radix__pmd_trans_huge(pmd_t pmd)
#endif
extern int __meminit radix__vmemmap_create_mapping(unsigned long start,
unsigned long page_size,
unsigned long phys);
extern void radix__vmemmap_remove_mapping(unsigned long start,
unsigned long page_size);
extern int radix__map_kernel_page(unsigned long ea, unsigned long pa,
pgprot_t flags, unsigned int psz);
#endif /* __ASSEMBLY__ */