summaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
Diffstat (limited to 'mm')
-rw-r--r--mm/huge_memory.c4
-rw-r--r--mm/internal.h1
-rw-r--r--mm/page_alloc.c7
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);