diff options
Diffstat (limited to 'arch/arm/mm/mm.h')
| -rw-r--r-- | arch/arm/mm/mm.h | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index ce727d47275c..419316316711 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -1,12 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_MMU #include <linux/list.h> #include <linux/vmalloc.h> - -#include <asm/pgtable.h> +#include <linux/pgtable.h> /* the upper-most page table pointer */ extern pmd_t *top_pmd; +extern int icache_size; + /* * 0xffff8000 to 0xffffffff is reserved for any ARM architecture * specific hacks for copying pages efficiently, while 0xffff4000 @@ -33,11 +35,6 @@ static inline pte_t get_top_pte(unsigned long va) return *ptep; } -static inline pmd_t *pmd_off_k(unsigned long virt) -{ - return pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt); -} - struct mem_type { pteval_t prot_pte; pteval_t prot_pte_s2; @@ -48,7 +45,7 @@ struct mem_type { const struct mem_type *get_mem_type(unsigned int type); -extern void __flush_dcache_page(struct address_space *mapping, struct page *page); +void __flush_dcache_folio(struct address_space *mapping, struct folio *folio); /* * ARM specific vm_struct->flags bits. @@ -67,9 +64,6 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page #define VM_ARM_MTYPE(mt) ((mt) << 20) #define VM_ARM_MTYPE_MASK (0x1f << 20) -/* consistent regions used by dma_alloc_attrs() */ -#define VM_ARM_DMA_CONSISTENT 0x20000000 - struct static_vm { struct vm_struct vm; @@ -94,6 +88,10 @@ extern phys_addr_t arm_lowmem_limit; void __init bootmem_init(void); void arm_mm_memblock_reserve(void); +#ifdef CONFIG_CMA_AREAS void dma_contiguous_remap(void); +#else +static inline void dma_contiguous_remap(void) { } +#endif unsigned long __clear_cr(unsigned long mask); |