+ mm-memcg-drop-swp_entry_t-in-mc_handle_file_pte.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     Subject: mm/memcg: drop swp_entry_t* in mc_handle_file_pte()
has been added to the -mm tree.  Its filename is
     mm-memcg-drop-swp_entry_t-in-mc_handle_file_pte.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-drop-swp_entry_t-in-mc_handle_file_pte.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-drop-swp_entry_t-in-mc_handle_file_pte.patch

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------------------------------------------------------
From: Peter Xu <peterx@redhat.com>
Subject: mm/memcg: drop swp_entry_t* in mc_handle_file_pte()

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

Link: https://lkml.kernel.org/r/20210916193014.80129-1-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memcontrol.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/memcontrol.c~mm-memcg-drop-swp_entry_t-in-mc_handle_file_pte
+++ a/mm/memcontrol.c
@@ -5555,7 +5555,7 @@ static struct page *mc_handle_swap_pte(s
 #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_typ
 	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;
_

Patches currently in -mm which might be from peterx@redhat.com are

mm-smaps-fix-shmem-pte-hole-swap-calculation.patch
mm-smaps-use-vma-vm_pgoff-directly-when-counting-partial-swap.patch
mm-smaps-simplify-shmem-handling-of-pte-holes.patch
mm-memcg-drop-swp_entry_t-in-mc_handle_file_pte.patch
mm-shmem-unconditionally-set-pte-dirty-in-mfill_atomic_install_pte.patch
mm-clear-vmf-pte-after-pte_unmap_same-returns.patch
mm-drop-first_index-last_index-in-zap_details.patch
mm-add-zap_skip_check_mapping-helper.patch
mm-hugetlb-drop-__unmap_hugepage_range-definition-from-hugetlbh.patch