diff options
| -rw-r--r-- | mm/rmap.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 7d5e0bf98c1e..430c066c2295 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1309,10 +1309,11 @@ void page_add_new_anon_rmap(struct page *page, * * The caller needs to hold the pte lock. */ -void page_add_file_rmap(struct page *page, - struct vm_area_struct *vma, bool compound) +void page_add_file_rmap(struct page *page, struct vm_area_struct *vma, + bool compound) { - atomic_t *mapped; + struct folio *folio = page_folio(page); + atomic_t *mapped = &folio->_nr_pages_mapped; int nr = 0, nr_pmdmapped = 0; bool first; @@ -1322,20 +1323,18 @@ void page_add_file_rmap(struct page *page, if (likely(!compound)) { first = atomic_inc_and_test(&page->_mapcount); nr = first; - if (first && PageCompound(page)) { - mapped = subpages_mapcount_ptr(compound_head(page)); + if (first && folio_test_large(folio)) { nr = atomic_inc_return_relaxed(mapped); nr = (nr < COMPOUND_MAPPED); } - } else if (PageTransHuge(page)) { + } else if (folio_test_pmd_mappable(folio)) { /* That test is redundant: it's for safety or to optimize out */ - first = atomic_inc_and_test(compound_mapcount_ptr(page)); + first = atomic_inc_and_test(&folio->_entire_mapcount); if (first) { - mapped = subpages_mapcount_ptr(page); nr = atomic_add_return_relaxed(COMPOUND_MAPPED, mapped); if (likely(nr < COMPOUND_MAPPED + COMPOUND_MAPPED)) { - nr_pmdmapped = thp_nr_pages(page); + nr_pmdmapped = folio_nr_pages(folio); nr = nr_pmdmapped - (nr & FOLIO_PAGES_MAPPED); /* Raced ahead of a remove and another add? */ if (unlikely(nr < 0)) @@ -1348,10 +1347,10 @@ void page_add_file_rmap(struct page *page, } if (nr_pmdmapped) - __mod_lruvec_page_state(page, PageSwapBacked(page) ? + __lruvec_stat_mod_folio(folio, folio_test_swapbacked(folio) ? NR_SHMEM_PMDMAPPED : NR_FILE_PMDMAPPED, nr_pmdmapped); if (nr) - __mod_lruvec_page_state(page, NR_FILE_MAPPED, nr); + __lruvec_stat_mod_folio(folio, NR_FILE_MAPPED, nr); mlock_vma_page(page, vma, compound); } |