424 static void smaps_page_accumulate(struct mem_size_stats *mss,  in smaps_page_accumulate()  argument
428 	mss->pss += pss;  in smaps_page_accumulate()
431 		mss->pss_anon += pss;  in smaps_page_accumulate()
433 		mss->pss_shmem += pss;  in smaps_page_accumulate()
435 		mss->pss_file += pss;  in smaps_page_accumulate()
438 		mss->pss_locked += pss;  in smaps_page_accumulate()
441 		mss->pss_dirty += pss;  in smaps_page_accumulate()
443 			mss->private_dirty += size;  in smaps_page_accumulate()
445 			mss->shared_dirty += size;  in smaps_page_accumulate()
448 			mss->private_clean += size;  in smaps_page_accumulate()
450 			mss->shared_clean += size;  in smaps_page_accumulate()
454 static void smaps_account(struct mem_size_stats *mss, struct page *page,  in smaps_account()  argument
466 		mss->anonymous += size;  in smaps_account()
468 			mss->lazyfree += size;  in smaps_account()
472 		mss->ksm += size;  in smaps_account()
474 	mss->resident += size;  in smaps_account()
477 		mss->referenced += size;  in smaps_account()
495 		smaps_page_accumulate(mss, page, size, size << PSS_SHIFT, dirty,  in smaps_account()
504 		smaps_page_accumulate(mss, page, PAGE_SIZE, pss, dirty, locked,  in smaps_account()
513 	struct mem_size_stats *mss = walk->private;  in smaps_pte_hole()  local
516 	mss->swap += shmem_partial_swap_usage(walk->vma->vm_file->f_mapping,  in smaps_pte_hole()
539 	struct mem_size_stats *mss = walk->private;  in smaps_pte_entry()  local
556 			mss->swap += PAGE_SIZE;  in smaps_pte_entry()
562 				mss->swap_pss += pss_delta;  in smaps_pte_entry()
564 				mss->swap_pss += (u64)PAGE_SIZE << PSS_SHIFT;  in smaps_pte_entry()
579 	smaps_account(mss, page, false, young, dirty, locked, migration);  in smaps_pte_entry()
586 	struct mem_size_stats *mss = walk->private;  in smaps_pmd_entry()  local
605 		mss->anonymous_thp += HPAGE_PMD_SIZE;  in smaps_pmd_entry()
607 		mss->shmem_thp += HPAGE_PMD_SIZE;  in smaps_pmd_entry()
611 		mss->file_thp += HPAGE_PMD_SIZE;  in smaps_pmd_entry()
613 	smaps_account(mss, page, true, pmd_young(*pmd), pmd_dirty(*pmd),  in smaps_pmd_entry()
738 	struct mem_size_stats *mss = walk->private;  in smaps_hugetlb_range()  local
753 			mss->shared_hugetlb += huge_page_size(hstate_vma(vma));  in smaps_hugetlb_range()
755 			mss->private_hugetlb += huge_page_size(hstate_vma(vma));  in smaps_hugetlb_range()
778  * address @start, and keep them in @mss.
783 		struct mem_size_stats *mss, unsigned long start)  in smap_gather_stats()  argument
806 			mss->swap += shmem_swapped;  in smap_gather_stats()
814 		walk_page_vma(vma, ops, mss);  in smap_gather_stats()
816 		walk_page_range(vma->vm_mm, start, vma->vm_end, ops, mss);  in smap_gather_stats()
823 static void __show_smap(struct seq_file *m, const struct mem_size_stats *mss,  in __show_smap()  argument
826 	SEQ_PUT_DEC("Rss:            ", mss->resident);  in __show_smap()
827 	SEQ_PUT_DEC(" kB\nPss:            ", mss->pss >> PSS_SHIFT);  in __show_smap()
828 	SEQ_PUT_DEC(" kB\nPss_Dirty:      ", mss->pss_dirty >> PSS_SHIFT);  in __show_smap()
835 			mss->pss_anon >> PSS_SHIFT);  in __show_smap()
837 			mss->pss_file >> PSS_SHIFT);  in __show_smap()
839 			mss->pss_shmem >> PSS_SHIFT);  in __show_smap()
841 	SEQ_PUT_DEC(" kB\nShared_Clean:   ", mss->shared_clean);  in __show_smap()
842 	SEQ_PUT_DEC(" kB\nShared_Dirty:   ", mss->shared_dirty);  in __show_smap()
843 	SEQ_PUT_DEC(" kB\nPrivate_Clean:  ", mss->private_clean);  in __show_smap()
844 	SEQ_PUT_DEC(" kB\nPrivate_Dirty:  ", mss->private_dirty);  in __show_smap()
845 	SEQ_PUT_DEC(" kB\nReferenced:     ", mss->referenced);  in __show_smap()
846 	SEQ_PUT_DEC(" kB\nAnonymous:      ", mss->anonymous);  in __show_smap()
847 	SEQ_PUT_DEC(" kB\nKSM:            ", mss->ksm);  in __show_smap()
848 	SEQ_PUT_DEC(" kB\nLazyFree:       ", mss->lazyfree);  in __show_smap()
849 	SEQ_PUT_DEC(" kB\nAnonHugePages:  ", mss->anonymous_thp);  in __show_smap()
850 	SEQ_PUT_DEC(" kB\nShmemPmdMapped: ", mss->shmem_thp);  in __show_smap()
851 	SEQ_PUT_DEC(" kB\nFilePmdMapped:  ", mss->file_thp);  in __show_smap()
852 	SEQ_PUT_DEC(" kB\nShared_Hugetlb: ", mss->shared_hugetlb);  in __show_smap()
854 				  mss->private_hugetlb >> 10, 7);  in __show_smap()
855 	SEQ_PUT_DEC(" kB\nSwap:           ", mss->swap);  in __show_smap()
857 					mss->swap_pss >> PSS_SHIFT);  in __show_smap()
859 					mss->pss_locked >> PSS_SHIFT);  in __show_smap()
866 	struct mem_size_stats mss;  in show_smap()  local
868 	memset(&mss, 0, sizeof(mss));  in show_smap()
870 	smap_gather_stats(vma, &mss, 0);  in show_smap()
879 	__show_smap(m, &mss, false);  in show_smap()
894 	struct mem_size_stats mss;  in show_smaps_rollup()  local
910 	memset(&mss, 0, sizeof(mss));  in show_smaps_rollup()
924 		smap_gather_stats(vma, &mss, 0);  in show_smaps_rollup()
983 				smap_gather_stats(vma, &mss, 0);  in show_smaps_rollup()
990 				smap_gather_stats(vma, &mss, last_vma_end);  in show_smaps_rollup()
1001 	__show_smap(m, &mss, true);  in show_smaps_rollup()