diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/huge_memory.c | 4 | ||||
-rw-r--r-- | mm/internal.h | 1 | ||||
-rw-r--r-- | mm/page_alloc.c | 7 |
3 files changed, 3 insertions, 9 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 5817bf77f1f0..2fe1ea187b6b 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -581,7 +581,7 @@ void folio_prep_large_rmappable(struct folio *folio) { VM_BUG_ON_FOLIO(folio_order(folio) < 2, folio); INIT_LIST_HEAD(&folio->_deferred_list); - folio_set_compound_dtor(folio, TRANSHUGE_PAGE_DTOR); + folio_set_large_rmappable(folio); } static inline bool is_transparent_hugepage(struct page *page) @@ -593,7 +593,7 @@ static inline bool is_transparent_hugepage(struct page *page) folio = page_folio(page); return is_huge_zero_page(&folio->page) || - folio->_folio_dtor == TRANSHUGE_PAGE_DTOR; + folio_test_large_rmappable(folio); } static unsigned long __thp_get_unmapped_area(struct file *filp, diff --git a/mm/internal.h b/mm/internal.h index 30bbfcacc909..5c0daea731f3 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -419,7 +419,6 @@ static inline void prep_compound_head(struct page *page, unsigned int order) { struct folio *folio = (struct folio *)page; - folio_set_compound_dtor(folio, COMPOUND_PAGE_DTOR); folio_set_order(folio, order); atomic_set(&folio->_entire_mapcount, -1); atomic_set(&folio->_nr_pages_mapped, 0); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d96dc6a3077a..452459836b71 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -572,9 +572,6 @@ static inline void free_the_page(struct page *page, unsigned int order) * The remaining PAGE_SIZE pages are called "tail pages". PageTail() is encoded * in bit 0 of page->compound_head. The rest of bits is pointer to head page. * - * The first tail page's ->compound_dtor describes how to destroy the - * compound page. - * * The first tail page's ->compound_order holds the order of allocation. * This usage means that zero-order pages may not be compound. */ @@ -593,14 +590,12 @@ void prep_compound_page(struct page *page, unsigned int order) void destroy_large_folio(struct folio *folio) { - enum compound_dtor_id dtor = folio->_folio_dtor; - if (folio_test_hugetlb(folio)) { free_huge_folio(folio); return; } - if (folio_test_transhuge(folio) && dtor == TRANSHUGE_PAGE_DTOR) + if (folio_test_large_rmappable(folio)) folio_undo_large_rmappable(folio); mem_cgroup_uncharge(folio); |