[PATCH v3 07/10] mm: use pfn_swap_entry_folio() in copy_nonpresent_pte()

Matthew Wilcox (Oracle)
2024-01-11T15:24:48Z

From: Kefeng Wang <wangkefeng.wang@huawei.com>

Call pfn_swap_entry_folio() as preparation for converting mm counter
functions to take a folio.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
mm/memory.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 7e1f4849463a..60aa08f2ccdc 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -806,9 +806,9 @@ copy_nonpresent_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
}
rss[MM_SWAPENTS]++;
} else if (is_migration_entry(entry)) {
- page = pfn_swap_entry_to_page(entry);
+ folio = pfn_swap_entry_folio(entry);

- rss[mm_counter(page)]++;
+ rss[mm_counter(&folio->page)]++;

if (!is_readable_migration_entry(entry) &&
is_cow_mapping(vm_flags)) {
--
2.43.0