[PATCH] mm/memcg: Drop swp_entry_t* in mc_handle_file_pte()

[Peter Xu <peterx@redhat.com>]

After the rework of f5df8635c5a3 ("mm: use find_get_incore_page in memcontrol",
2020-10-13) it's unused.

Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
---
 mm/memcontrol.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b762215d73eb..12fa08e216a6 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5555,7 +5555,7 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
 #endif
 
 static struct page *mc_handle_file_pte(struct vm_area_struct *vma,
-			unsigned long addr, pte_t ptent, swp_entry_t *entry)
+			unsigned long addr, pte_t ptent)
 {
 	if (!vma->vm_file) /* anonymous vma */
 		return NULL;
@@ -5728,7 +5728,7 @@ static enum mc_target_type get_mctgt_type(struct vm_area_struct *vma,
 	else if (is_swap_pte(ptent))
 		page = mc_handle_swap_pte(vma, ptent, &ent);
 	else if (pte_none(ptent))
-		page = mc_handle_file_pte(vma, addr, ptent, &ent);
+		page = mc_handle_file_pte(vma, addr, ptent);
 
 	if (!page && !ent.val)
 		return ret;
-- 
2.31.1