[merged mm-stable] mm-khugepaged-remove-unneeded-return-value-of-khugepaged_add_pte_mapped_thp.patch removed from -mm tree

[merged mm-stable] mm-khugepaged-remove-unneeded-return-value-of-khugepaged_add_pte_mapped_thp.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/khugepaged: remove unneeded return value of khugepaged_add_pte_mapped_thp()
has been removed from the -mm tree.  Its filename was
     mm-khugepaged-remove-unneeded-return-value-of-khugepaged_add_pte_mapped_thp.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm/khugepaged: remove unneeded return value of khugepaged_add_pte_mapped_thp()
Date: Sat, 25 Jun 2022 17:28:15 +0800

The return value of khugepaged_add_pte_mapped_thp() is always 0 and also
ignored.  Remove it to clean up the code.

Link: https://lkml.kernel.org/r/20220625092816.4856-7-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Zach O'Keefe <zokeefe@google.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: NeilBrown <neilb@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/khugepaged.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/mm/khugepaged.c~mm-khugepaged-remove-unneeded-return-value-of-khugepaged_add_pte_mapped_thp
+++ a/mm/khugepaged.c
@@ -1371,8 +1371,8 @@ static void collect_mm_slot(struct mm_sl
  * Notify khugepaged that given addr of the mm is pte-mapped THP. Then
  * khugepaged should try to collapse the page table.
  */
-static int khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
-					 unsigned long addr)
+static void khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
+					  unsigned long addr)
 {
 	struct mm_slot *mm_slot;
 
@@ -1383,7 +1383,6 @@ static int khugepaged_add_pte_mapped_thp
 	if (likely(mm_slot && mm_slot->nr_pte_mapped_thp < MAX_PTE_MAPPED_THP))
 		mm_slot->pte_mapped_thp[mm_slot->nr_pte_mapped_thp++] = addr;
 	spin_unlock(&khugepaged_mm_lock);
-	return 0;
 }
 
 static void collapse_and_free_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
_

Patches currently in -mm which might be from linmiaohe@huawei.com are

mm-khugepaged-try-to-free-transhuge-swapcache-when-possible.patch
mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch
mm-mmapc-fix-missing-call-to-vm_unacct_memory-in-mmap_region.patch
filemap-minor-cleanup-for-filemap_write_and_wait_range.patch