410 static void smaps_page_accumulate(struct mem_size_stats *mss,  in smaps_page_accumulate()  argument
414 	mss->pss += pss;  in smaps_page_accumulate()
417 		mss->pss_anon += pss;  in smaps_page_accumulate()
419 		mss->pss_shmem += pss;  in smaps_page_accumulate()
421 		mss->pss_file += pss;  in smaps_page_accumulate()
424 		mss->pss_locked += pss;  in smaps_page_accumulate()
427 		mss->pss_dirty += pss;  in smaps_page_accumulate()
429 			mss->private_dirty += size;  in smaps_page_accumulate()
431 			mss->shared_dirty += size;  in smaps_page_accumulate()
434 			mss->private_clean += size;  in smaps_page_accumulate()
436 			mss->shared_clean += size;  in smaps_page_accumulate()
440 static void smaps_account(struct mem_size_stats *mss, struct page *page,  in smaps_account()  argument
452 		mss->anonymous += size;  in smaps_account()
454 			mss->lazyfree += size;  in smaps_account()
458 		mss->ksm += size;  in smaps_account()
460 	mss->resident += size;  in smaps_account()
463 		mss->referenced += size;  in smaps_account()
481 		smaps_page_accumulate(mss, page, size, size << PSS_SHIFT, dirty,  in smaps_account()
490 		smaps_page_accumulate(mss, page, PAGE_SIZE, pss, dirty, locked,  in smaps_account()
499 	struct mem_size_stats *mss = walk->private;  in smaps_pte_hole()  local
502 	mss->swap += shmem_partial_swap_usage(walk->vma->vm_file->f_mapping,  in smaps_pte_hole()
525 	struct mem_size_stats *mss = walk->private;  in smaps_pte_entry()  local
542 			mss->swap += PAGE_SIZE;  in smaps_pte_entry()
548 				mss->swap_pss += pss_delta;  in smaps_pte_entry()
550 				mss->swap_pss += (u64)PAGE_SIZE << PSS_SHIFT;  in smaps_pte_entry()
565 	smaps_account(mss, page, false, young, dirty, locked, migration);  in smaps_pte_entry()
572 	struct mem_size_stats *mss = walk->private;  in smaps_pmd_entry()  local
591 		mss->anonymous_thp += HPAGE_PMD_SIZE;  in smaps_pmd_entry()
593 		mss->shmem_thp += HPAGE_PMD_SIZE;  in smaps_pmd_entry()
597 		mss->file_thp += HPAGE_PMD_SIZE;  in smaps_pmd_entry()
599 	smaps_account(mss, page, true, pmd_young(*pmd), pmd_dirty(*pmd),  in smaps_pmd_entry()
724 	struct mem_size_stats *mss = walk->private;  in smaps_hugetlb_range()  local
739 			mss->shared_hugetlb += huge_page_size(hstate_vma(vma));  in smaps_hugetlb_range()
741 			mss->private_hugetlb += huge_page_size(hstate_vma(vma));  in smaps_hugetlb_range()
764  * address @start, and keep them in @mss.
769 		struct mem_size_stats *mss, unsigned long start)  in smap_gather_stats()  argument
792 			mss->swap += shmem_swapped;  in smap_gather_stats()
800 		walk_page_vma(vma, ops, mss);  in smap_gather_stats()
802 		walk_page_range(vma->vm_mm, start, vma->vm_end, ops, mss);  in smap_gather_stats()
809 static void __show_smap(struct seq_file *m, const struct mem_size_stats *mss,  in __show_smap()  argument
812 	SEQ_PUT_DEC("Rss:            ", mss->resident);  in __show_smap()
813 	SEQ_PUT_DEC(" kB\nPss:            ", mss->pss >> PSS_SHIFT);  in __show_smap()
814 	SEQ_PUT_DEC(" kB\nPss_Dirty:      ", mss->pss_dirty >> PSS_SHIFT);  in __show_smap()
821 			mss->pss_anon >> PSS_SHIFT);  in __show_smap()
823 			mss->pss_file >> PSS_SHIFT);  in __show_smap()
825 			mss->pss_shmem >> PSS_SHIFT);  in __show_smap()
827 	SEQ_PUT_DEC(" kB\nShared_Clean:   ", mss->shared_clean);  in __show_smap()
828 	SEQ_PUT_DEC(" kB\nShared_Dirty:   ", mss->shared_dirty);  in __show_smap()
829 	SEQ_PUT_DEC(" kB\nPrivate_Clean:  ", mss->private_clean);  in __show_smap()
830 	SEQ_PUT_DEC(" kB\nPrivate_Dirty:  ", mss->private_dirty);  in __show_smap()
831 	SEQ_PUT_DEC(" kB\nReferenced:     ", mss->referenced);  in __show_smap()
832 	SEQ_PUT_DEC(" kB\nAnonymous:      ", mss->anonymous);  in __show_smap()
833 	SEQ_PUT_DEC(" kB\nKSM:            ", mss->ksm);  in __show_smap()
834 	SEQ_PUT_DEC(" kB\nLazyFree:       ", mss->lazyfree);  in __show_smap()
835 	SEQ_PUT_DEC(" kB\nAnonHugePages:  ", mss->anonymous_thp);  in __show_smap()
836 	SEQ_PUT_DEC(" kB\nShmemPmdMapped: ", mss->shmem_thp);  in __show_smap()
837 	SEQ_PUT_DEC(" kB\nFilePmdMapped:  ", mss->file_thp);  in __show_smap()
838 	SEQ_PUT_DEC(" kB\nShared_Hugetlb: ", mss->shared_hugetlb);  in __show_smap()
840 				  mss->private_hugetlb >> 10, 7);  in __show_smap()
841 	SEQ_PUT_DEC(" kB\nSwap:           ", mss->swap);  in __show_smap()
843 					mss->swap_pss >> PSS_SHIFT);  in __show_smap()
845 					mss->pss_locked >> PSS_SHIFT);  in __show_smap()
852 	struct mem_size_stats mss;  in show_smap()  local
854 	memset(&mss, 0, sizeof(mss));  in show_smap()
856 	smap_gather_stats(vma, &mss, 0);  in show_smap()
865 	__show_smap(m, &mss, false);  in show_smap()
880 	struct mem_size_stats mss;  in show_smaps_rollup()  local
896 	memset(&mss, 0, sizeof(mss));  in show_smaps_rollup()
910 		smap_gather_stats(vma, &mss, 0);  in show_smaps_rollup()
969 				smap_gather_stats(vma, &mss, 0);  in show_smaps_rollup()
976 				smap_gather_stats(vma, &mss, last_vma_end);  in show_smaps_rollup()
987 	__show_smap(m, &mss, true);  in show_smaps_rollup()