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@xxxxxxxxxx> 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@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Zach O'Keefe <zokeefe@xxxxxxxxxx> Reviewed-by: Yang Shi <shy828301@xxxxxxxxx> Cc: Alistair Popple <apopple@xxxxxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: David Howells <dhowells@xxxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Cc: NeilBrown <neilb@xxxxxxx> Cc: Peter Xu <peterx@xxxxxxxxxx> Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- 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@xxxxxxxxxx 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