[2/5] mm: task_mmu: use a folio in smaps_account()
Commit Message
Replace seven implicit calls to compound_head() with one page_folio().
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
fs/proc/task_mmu.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
@@ -445,23 +445,25 @@ static void smaps_account(struct mem_size_stats *mss, struct page *page,
{
int i, nr = compound ? compound_nr(page) : 1;
unsigned long size = nr * PAGE_SIZE;
+ struct folio *folio = page_folio(page);
/*
* First accumulate quantities that depend only on |size| and the type
* of the compound page.
*/
- if (PageAnon(page)) {
+ if (folio_test_anon(folio)) {
mss->anonymous += size;
- if (!PageSwapBacked(page) && !dirty && !PageDirty(page))
+ if (!folio_test_swapbacked(folio) && !dirty &&
+ !folio_test_dirty(folio))
mss->lazyfree += size;
}
- if (PageKsm(page))
+ if (folio_test_ksm(folio))
mss->ksm += size;
mss->resident += size;
/* Accumulate the size in pages that have been accessed. */
- if (young || page_is_young(page) || PageReferenced(page))
+ if (young || folio_test_young(folio) || folio_test_referenced(folio))
mss->referenced += size;
/*
@@ -479,7 +481,7 @@ static void smaps_account(struct mem_size_stats *mss, struct page *page,
* especially for migration entries. Treat regular migration entries
* as mapcount == 1.
*/
- if ((page_count(page) == 1) || migration) {
+ if ((folio_ref_count(folio) == 1) || migration) {
smaps_page_accumulate(mss, page, size, size << PSS_SHIFT, dirty,
locked, true);
return;