diff options
Diffstat (limited to 'arch/powerpc/mm/init_64.c')
-rw-r--r-- | arch/powerpc/mm/init_64.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index fa5d28b4e726..69203c8afb51 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -212,6 +212,13 @@ static void __meminit vmemmap_create_mapping(unsigned long start, for (i = 0; i < page_size; i += PAGE_SIZE) BUG_ON(map_kernel_page(start + i, phys, flags)); } + +#ifdef CONFIG_MEMORY_HOTPLUG +static void vmemmap_remove_mapping(unsigned long start, + unsigned long page_size) +{ +} +#endif #else /* CONFIG_PPC_BOOK3E */ static void __meminit vmemmap_create_mapping(unsigned long start, unsigned long page_size, @@ -223,6 +230,21 @@ static void __meminit vmemmap_create_mapping(unsigned long start, mmu_kernel_ssize); BUG_ON(mapped < 0); } + +#ifdef CONFIG_MEMORY_HOTPLUG +extern int htab_remove_mapping(unsigned long vstart, unsigned long vend, + int psize, int ssize); + +static void vmemmap_remove_mapping(unsigned long start, + unsigned long page_size) +{ + int mapped = htab_remove_mapping(start, start + page_size, + mmu_vmemmap_psize, + mmu_kernel_ssize); + BUG_ON(mapped < 0); +} +#endif + #endif /* CONFIG_PPC_BOOK3E */ struct vmemmap_backing *vmemmap_list; |