219 extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
223 static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page);
228 static inline void tlb_remove_table(struct mmu_gather *tlb, void *table)  in tlb_remove_table()  argument
233 	tlb_remove_page(tlb, ptdesc_page(ptdesc));  in tlb_remove_table()
284 extern bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page,
286 bool __tlb_remove_folio_pages(struct mmu_gather *tlb, struct page *page,
294 #define tlb_delay_rmap(tlb) (((tlb)->delayed_rmap = 1), true)  argument
295 extern void tlb_flush_rmaps(struct mmu_gather *tlb, struct vm_area_struct *vma);
308 #define tlb_delay_rmap(tlb) (false)  argument
309 static inline void tlb_flush_rmaps(struct mmu_gather *tlb, struct vm_area_struct *vma) { }  in tlb_flush_rmaps()  argument
375 void tlb_flush_mmu(struct mmu_gather *tlb);
377 static inline void __tlb_adjust_range(struct mmu_gather *tlb,  in __tlb_adjust_range()  argument
381 	tlb->start = min(tlb->start, address);  in __tlb_adjust_range()
382 	tlb->end = max(tlb->end, address + range_size);  in __tlb_adjust_range()
385 static inline void __tlb_reset_range(struct mmu_gather *tlb)  in __tlb_reset_range()  argument
387 	if (tlb->fullmm) {  in __tlb_reset_range()
388 		tlb->start = tlb->end = ~0;  in __tlb_reset_range()
390 		tlb->start = TASK_SIZE;  in __tlb_reset_range()
391 		tlb->end = 0;  in __tlb_reset_range()
393 	tlb->freed_tables = 0;  in __tlb_reset_range()
394 	tlb->cleared_ptes = 0;  in __tlb_reset_range()
395 	tlb->cleared_pmds = 0;  in __tlb_reset_range()
396 	tlb->cleared_puds = 0;  in __tlb_reset_range()
397 	tlb->cleared_p4ds = 0;  in __tlb_reset_range()
419 static inline void tlb_flush(struct mmu_gather *tlb)  in tlb_flush()  argument
421 	if (tlb->end)  in tlb_flush()
422 		flush_tlb_mm(tlb->mm);  in tlb_flush()
433 static inline void tlb_flush(struct mmu_gather *tlb)  in tlb_flush()  argument
435 	if (tlb->fullmm || tlb->need_flush_all) {  in tlb_flush()
436 		flush_tlb_mm(tlb->mm);  in tlb_flush()
437 	} else if (tlb->end) {  in tlb_flush()
439 			.vm_mm = tlb->mm,  in tlb_flush()
440 			.vm_flags = (tlb->vma_exec ? VM_EXEC    : 0) |  in tlb_flush()
441 				    (tlb->vma_huge ? VM_HUGETLB : 0),  in tlb_flush()
444 		flush_tlb_range(&vma, tlb->start, tlb->end);  in tlb_flush()
452 tlb_update_vma_flags(struct mmu_gather *tlb, struct vm_area_struct *vma)  in tlb_update_vma_flags()  argument
465 	tlb->vma_huge = is_vm_hugetlb_page(vma);  in tlb_update_vma_flags()
466 	tlb->vma_exec = !!(vma->vm_flags & VM_EXEC);  in tlb_update_vma_flags()
467 	tlb->vma_pfn  = !!(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP));  in tlb_update_vma_flags()
470 static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)  in tlb_flush_mmu_tlbonly()  argument
476 	if (!(tlb->freed_tables || tlb->cleared_ptes || tlb->cleared_pmds ||  in tlb_flush_mmu_tlbonly()
477 	      tlb->cleared_puds || tlb->cleared_p4ds))  in tlb_flush_mmu_tlbonly()
480 	tlb_flush(tlb);  in tlb_flush_mmu_tlbonly()
481 	__tlb_reset_range(tlb);  in tlb_flush_mmu_tlbonly()
484 static inline void tlb_remove_page_size(struct mmu_gather *tlb,  in tlb_remove_page_size()  argument
487 	if (__tlb_remove_page_size(tlb, page, false, page_size))  in tlb_remove_page_size()
488 		tlb_flush_mmu(tlb);  in tlb_remove_page_size()
491 static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)  in tlb_remove_page()  argument
493 	return tlb_remove_page_size(tlb, page, PAGE_SIZE);  in tlb_remove_page()
496 static inline void tlb_remove_ptdesc(struct mmu_gather *tlb, struct ptdesc *pt)  in tlb_remove_ptdesc()  argument
498 	tlb_remove_table(tlb, pt);  in tlb_remove_ptdesc()
501 static inline void tlb_change_page_size(struct mmu_gather *tlb,  in tlb_change_page_size()  argument
505 	if (tlb->page_size && tlb->page_size != page_size) {  in tlb_change_page_size()
506 		if (!tlb->fullmm && !tlb->need_flush_all)  in tlb_change_page_size()
507 			tlb_flush_mmu(tlb);  in tlb_change_page_size()
510 	tlb->page_size = page_size;  in tlb_change_page_size()
514 static inline unsigned long tlb_get_unmap_shift(struct mmu_gather *tlb)  in tlb_get_unmap_shift()  argument
516 	if (tlb->cleared_ptes)  in tlb_get_unmap_shift()
518 	if (tlb->cleared_pmds)  in tlb_get_unmap_shift()
520 	if (tlb->cleared_puds)  in tlb_get_unmap_shift()
522 	if (tlb->cleared_p4ds)  in tlb_get_unmap_shift()
528 static inline unsigned long tlb_get_unmap_size(struct mmu_gather *tlb)  in tlb_get_unmap_size()  argument
530 	return 1UL << tlb_get_unmap_shift(tlb);  in tlb_get_unmap_size()
538 static inline void tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)  in tlb_start_vma()  argument
540 	if (tlb->fullmm)  in tlb_start_vma()
543 	tlb_update_vma_flags(tlb, vma);  in tlb_start_vma()
549 static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)  in tlb_end_vma()  argument
551 	if (tlb->fullmm)  in tlb_end_vma()
560 	if (tlb->vma_pfn || !IS_ENABLED(CONFIG_MMU_GATHER_MERGE_VMAS)) {  in tlb_end_vma()
565 		tlb_flush_mmu_tlbonly(tlb);  in tlb_end_vma()
573 static inline void tlb_flush_pte_range(struct mmu_gather *tlb,  in tlb_flush_pte_range()  argument
576 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_pte_range()
577 	tlb->cleared_ptes = 1;  in tlb_flush_pte_range()
580 static inline void tlb_flush_pmd_range(struct mmu_gather *tlb,  in tlb_flush_pmd_range()  argument
583 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_pmd_range()
584 	tlb->cleared_pmds = 1;  in tlb_flush_pmd_range()
587 static inline void tlb_flush_pud_range(struct mmu_gather *tlb,  in tlb_flush_pud_range()  argument
590 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_pud_range()
591 	tlb->cleared_puds = 1;  in tlb_flush_pud_range()
594 static inline void tlb_flush_p4d_range(struct mmu_gather *tlb,  in tlb_flush_p4d_range()  argument
597 	__tlb_adjust_range(tlb, address, size);  in tlb_flush_p4d_range()
598 	tlb->cleared_p4ds = 1;  in tlb_flush_p4d_range()
602 static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long addres…  in __tlb_remove_tlb_entry()  argument
614 #define tlb_remove_tlb_entry(tlb, ptep, address)		\  argument
616 		tlb_flush_pte_range(tlb, address, PAGE_SIZE);	\
617 		__tlb_remove_tlb_entry(tlb, ptep, address);	\
627 static inline void tlb_remove_tlb_entries(struct mmu_gather *tlb,  in tlb_remove_tlb_entries()  argument
630 	tlb_flush_pte_range(tlb, address, PAGE_SIZE * nr);  in tlb_remove_tlb_entries()
632 		__tlb_remove_tlb_entry(tlb, ptep, address);  in tlb_remove_tlb_entries()
640 #define tlb_remove_huge_tlb_entry(h, tlb, ptep, address)	\  argument
644 			tlb_flush_p4d_range(tlb, address, _sz);	\
646 			tlb_flush_pud_range(tlb, address, _sz);	\
648 			tlb_flush_pmd_range(tlb, address, _sz);	\
650 			tlb_flush_pte_range(tlb, address, _sz);	\
651 		__tlb_remove_tlb_entry(tlb, ptep, address);	\
659 #define __tlb_remove_pmd_tlb_entry(tlb, pmdp, address) do {} while (0)  argument
662 #define tlb_remove_pmd_tlb_entry(tlb, pmdp, address)			\  argument
664 		tlb_flush_pmd_range(tlb, address, HPAGE_PMD_SIZE);	\
665 		__tlb_remove_pmd_tlb_entry(tlb, pmdp, address);		\
673 #define __tlb_remove_pud_tlb_entry(tlb, pudp, address) do {} while (0)  argument
676 #define tlb_remove_pud_tlb_entry(tlb, pudp, address)			\  argument
678 		tlb_flush_pud_range(tlb, address, HPAGE_PUD_SIZE);	\
679 		__tlb_remove_pud_tlb_entry(tlb, pudp, address);		\
701 #define pte_free_tlb(tlb, ptep, address)			\  argument
703 		tlb_flush_pmd_range(tlb, address, PAGE_SIZE);	\
704 		tlb->freed_tables = 1;				\
705 		__pte_free_tlb(tlb, ptep, address);		\
710 #define pmd_free_tlb(tlb, pmdp, address)			\  argument
712 		tlb_flush_pud_range(tlb, address, PAGE_SIZE);	\
713 		tlb->freed_tables = 1;				\
714 		__pmd_free_tlb(tlb, pmdp, address);		\
719 #define pud_free_tlb(tlb, pudp, address)			\  argument
721 		tlb_flush_p4d_range(tlb, address, PAGE_SIZE);	\
722 		tlb->freed_tables = 1;				\
723 		__pud_free_tlb(tlb, pudp, address);		\
728 #define p4d_free_tlb(tlb, pudp, address)			\  argument
730 		__tlb_adjust_range(tlb, address, PAGE_SIZE);	\
731 		tlb->freed_tables = 1;				\
732 		__p4d_free_tlb(tlb, pudp, address);		\