diff options
Diffstat (limited to 'arch/microblaze/mm/init.c')
| -rw-r--r-- | arch/microblaze/mm/init.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index a015a951c8b7..1056f1674065 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -7,6 +7,7 @@ * for more details. */ +#include <linux/dma-contiguous.h> #include <linux/memblock.h> #include <linux/init.h> #include <linux/kernel.h> @@ -53,8 +54,11 @@ EXPORT_SYMBOL(kmap_prot); static inline pte_t *virt_to_kpte(unsigned long vaddr) { - return pte_offset_kernel(pmd_offset(pgd_offset_k(vaddr), - vaddr), vaddr); + pgd_t *pgd = pgd_offset_k(vaddr); + p4d_t *p4d = p4d_offset(pgd, vaddr); + pud_t *pud = pud_offset(p4d, vaddr); + + return pte_offset_kernel(pmd_offset(pud, vaddr), vaddr); } static void __init highmem_init(void) @@ -342,6 +346,9 @@ asmlinkage void __init mmu_init(void) /* This will also cause that unflatten device tree will be allocated * inside 768MB limit */ memblock_set_current_limit(memory_start + lowmem_size - 1); + + /* CMA initialization */ + dma_contiguous_reserve(memory_start + lowmem_size - 1); } /* This is only called until mem_init is done. */ |
