1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_TLBFLUSH_H 3 #define __ASM_TLBFLUSH_H 4 5 #include <linux/mm.h> 6 7 /* 8 * TLB flushing: 9 * 10 * - flush_tlb_all() flushes all processes TLB entries 11 * - flush_tlb_mm(mm) flushes the specified mm context TLB entries 12 * - flush_tlb_page(vma, vmaddr) flushes one page 13 * - flush_tlb_range(vma, start, end) flushes a range of pages 14 * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages 15 */ 16 extern void local_flush_tlb_all(void); 17 extern void local_flush_tlb_range(struct vm_area_struct *vma, 18 unsigned long start, unsigned long end); 19 extern void local_flush_tlb_kernel_range(unsigned long start, 20 unsigned long end); 21 extern void local_flush_tlb_page(struct vm_area_struct *vma, 22 unsigned long page); 23 extern void local_flush_tlb_one(unsigned long vaddr); 24 25 #include <asm/mmu_context.h> 26 27 #ifdef CONFIG_SMP 28 29 extern void flush_tlb_all(void); 30 extern void flush_tlb_mm(struct mm_struct *); 31 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, 32 unsigned long); 33 extern void flush_tlb_kernel_range(unsigned long, unsigned long); 34 extern void flush_tlb_page(struct vm_area_struct *, unsigned long); 35 extern void flush_tlb_one(unsigned long vaddr); 36 37 #else /* CONFIG_SMP */ 38 39 #define flush_tlb_all() local_flush_tlb_all() 40 #define flush_tlb_mm(mm) drop_mmu_context(mm) 41 #define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, end) 42 #define flush_tlb_kernel_range(vmaddr,end) \ 43 local_flush_tlb_kernel_range(vmaddr, end) 44 #define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) 45 #define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) 46 47 #endif /* CONFIG_SMP */ 48 49 #endif /* __ASM_TLBFLUSH_H */ 50