204 extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
212 #define tlb_remove_table(tlb, page) tlb_remove_page((tlb), (page))  argument
263 extern bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page,
325 void tlb_flush_mmu(struct mmu_gather *tlb);
327 static inline void __tlb_adjust_range(struct mmu_gather *tlb,  in __tlb_adjust_range()  argument
331 	tlb->start = min(tlb->start, address);  in __tlb_adjust_range()
332 	tlb->end = max(tlb->end, address + range_size);  in __tlb_adjust_range()
335 static inline void __tlb_reset_range(struct mmu_gather *tlb)  in __tlb_reset_range()  argument
337 	if (tlb->fullmm) {  in __tlb_reset_range()
338 		tlb->start = tlb->end = ~0;  in __tlb_reset_range()
340 		tlb->start = TASK_SIZE;  in __tlb_reset_range()
341 		tlb->end = 0;  in __tlb_reset_range()
343 	tlb->freed_tables = 0;  in __tlb_reset_range()
344 	tlb->cleared_ptes = 0;  in __tlb_reset_range()
345 	tlb->cleared_pmds = 0;  in __tlb_reset_range()
346 	tlb->cleared_puds = 0;  in __tlb_reset_range()
347 	tlb->cleared_p4ds = 0;  in __tlb_reset_range()
369 static inline void tlb_flush(struct mmu_gather *tlb)  in tlb_flush()  argument
371 	if (tlb->end)  in tlb_flush()
372 		flush_tlb_mm(tlb->mm);  in tlb_flush()
383 static inline void tlb_flush(struct mmu_gather *tlb)  in tlb_flush()  argument
385 	if (tlb->fullmm || tlb->need_flush_all) {  in tlb_flush()
386 		flush_tlb_mm(tlb->mm);  in tlb_flush()
387 	} else if (tlb->end) {  in tlb_flush()
389 			.vm_mm = tlb->mm,  in tlb_flush()
390 			.vm_flags = (tlb->vma_exec ? VM_EXEC    : 0) |  in tlb_flush()
391 				    (tlb->vma_huge ? VM_HUGETLB : 0),  in tlb_flush()
394 		flush_tlb_range(&vma, tlb->start, tlb->end);  in tlb_flush()
402 tlb_update_vma_flags(struct mmu_gather *tlb, struct vm_area_struct *vma)  in tlb_update_vma_flags()  argument
415 	tlb->vma_huge = is_vm_hugetlb_page(vma);  in tlb_update_vma_flags()
416 	tlb->vma_exec = !!(vma->vm_flags & VM_EXEC);  in tlb_update_vma_flags()
417 	tlb->vma_pfn  = !!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP));  in tlb_update_vma_flags()
420 static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)  in tlb_flush_mmu_tlbonly()  argument
426 	if (!(tlb->freed_tables || tlb->cleared_ptes || tlb->cleared_pmds ||  in tlb_flush_mmu_tlbonly()
427 	      tlb->cleared_puds || tlb->cleared_p4ds))  in tlb_flush_mmu_tlbonly()
430 	tlb_flush(tlb);  in tlb_flush_mmu_tlbonly()
431 	mmu_notifier_invalidate_range(tlb->mm, tlb->start, tlb->end);  in tlb_flush_mmu_tlbonly()
432 	__tlb_reset_range(tlb);  in tlb_flush_mmu_tlbonly()
435 static inline void tlb_remove_page_size(struct mmu_gather *tlb,  in tlb_remove_page_size()  argument
438 	if (__tlb_remove_page_size(tlb, page, page_size))  in tlb_remove_page_size()
439 		tlb_flush_mmu(tlb);  in tlb_remove_page_size()
442 static inline bool __tlb_remove_page(struct mmu_gather *tlb, struct page *page)  in __tlb_remove_page()  argument
444 	return __tlb_remove_page_size(tlb, page, PAGE_SIZE);  in __tlb_remove_page()
451 static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)  in tlb_remove_page()  argument
453 	return tlb_remove_page_size(tlb, page, PAGE_SIZE);  in tlb_remove_page()
456 static inline void tlb_change_page_size(struct mmu_gather *tlb,  in tlb_change_page_size()  argument
460 	if (tlb->page_size && tlb->page_size != page_size) {  in tlb_change_page_size()
461 		if (!tlb->fullmm && !tlb->need_flush_all)  in tlb_change_page_size()
462 			tlb_flush_mmu(tlb);  in tlb_change_page_size()
465 	tlb->page_size = page_size;  in tlb_change_page_size()
469 static inline unsigned long tlb_get_unmap_shift(struct mmu_gather *tlb)  in tlb_get_unmap_shift()  argument
471 	if (tlb->cleared_ptes)  in tlb_get_unmap_shift()
473 	if (tlb->cleared_pmds)  in tlb_get_unmap_shift()
475 	if (tlb->cleared_puds)  in tlb_get_unmap_shift()
477 	if (tlb->cleared_p4ds)  in tlb_get_unmap_shift()
483 static inline unsigned long tlb_get_unmap_size(struct mmu_gather *tlb)  in tlb_get_unmap_size()  argument
485 	return 1UL << tlb_get_unmap_shift(tlb);  in tlb_get_unmap_size()
493 static inline void tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)  in tlb_start_vma()  argument
495 	if (tlb->fullmm)  in tlb_start_vma()
498 	tlb_update_vma_flags(tlb, vma);  in tlb_start_vma()
504 static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)  in tlb_end_vma()  argument
506 	if (tlb->fullmm)  in tlb_end_vma()
515 	if (tlb->vma_pfn || !IS_ENABLED(CONFIG_MMU_GATHER_MERGE_VMAS)) {  in tlb_end_vma()
520 		tlb_flush_mmu_tlbonly(tlb);  in tlb_end_vma()
528 static inline void tlb_flush_pte_range(struct mmu_gather *tlb,  in tlb_flush_pte_range()  argument
531 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_pte_range()
532 	tlb->cleared_ptes = 1;  in tlb_flush_pte_range()
535 static inline void tlb_flush_pmd_range(struct mmu_gather *tlb,  in tlb_flush_pmd_range()  argument
538 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_pmd_range()
539 	tlb->cleared_pmds = 1;  in tlb_flush_pmd_range()
542 static inline void tlb_flush_pud_range(struct mmu_gather *tlb,  in tlb_flush_pud_range()  argument
545 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_pud_range()
546 	tlb->cleared_puds = 1;  in tlb_flush_pud_range()
549 static inline void tlb_flush_p4d_range(struct mmu_gather *tlb,  in tlb_flush_p4d_range()  argument
552 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_p4d_range()
553 	tlb->cleared_p4ds = 1;  in tlb_flush_p4d_range()
557 #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)  argument
567 #define tlb_remove_tlb_entry(tlb, ptep, address)		\  argument
569 		tlb_flush_pte_range(tlb, address, PAGE_SIZE);	\
570 		__tlb_remove_tlb_entry(tlb, ptep, address);	\
573 #define tlb_remove_huge_tlb_entry(h, tlb, ptep, address)	\  argument
577 			tlb_flush_p4d_range(tlb, address, _sz);	\
579 			tlb_flush_pud_range(tlb, address, _sz);	\
581 			tlb_flush_pmd_range(tlb, address, _sz);	\
583 			tlb_flush_pte_range(tlb, address, _sz);	\
584 		__tlb_remove_tlb_entry(tlb, ptep, address);	\
592 #define __tlb_remove_pmd_tlb_entry(tlb, pmdp, address) do {} while (0)  argument
595 #define tlb_remove_pmd_tlb_entry(tlb, pmdp, address)			\  argument
597 		tlb_flush_pmd_range(tlb, address, HPAGE_PMD_SIZE);	\
598 		__tlb_remove_pmd_tlb_entry(tlb, pmdp, address);		\
606 #define __tlb_remove_pud_tlb_entry(tlb, pudp, address) do {} while (0)  argument
609 #define tlb_remove_pud_tlb_entry(tlb, pudp, address)			\  argument
611 		tlb_flush_pud_range(tlb, address, HPAGE_PUD_SIZE);	\
612 		__tlb_remove_pud_tlb_entry(tlb, pudp, address);		\
634 #define pte_free_tlb(tlb, ptep, address)			\  argument
636 		tlb_flush_pmd_range(tlb, address, PAGE_SIZE);	\
637 		tlb->freed_tables = 1;				\
638 		__pte_free_tlb(tlb, ptep, address);		\
643 #define pmd_free_tlb(tlb, pmdp, address)			\  argument
645 		tlb_flush_pud_range(tlb, address, PAGE_SIZE);	\
646 		tlb->freed_tables = 1;				\
647 		__pmd_free_tlb(tlb, pmdp, address);		\
652 #define pud_free_tlb(tlb, pudp, address)			\  argument
654 		tlb_flush_p4d_range(tlb, address, PAGE_SIZE);	\
655 		tlb->freed_tables = 1;				\
656 		__pud_free_tlb(tlb, pudp, address);		\
661 #define p4d_free_tlb(tlb, pudp, address)			\  argument
663 		__tlb_adjust_range(tlb, address, PAGE_SIZE);	\
664 		tlb->freed_tables = 1;				\
665 		__p4d_free_tlb(tlb, pudp, address);		\