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 an updated version will be merged ------------------------------------------------------ From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/khugepaged: remove unneeded return value of khugepaged_add_pte_mapped_thp() Date: Sat, 11 Jun 2022 16:47:30 +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/20220611084731.55155-7-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> 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: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: NeilBrown <neilb@xxxxxxx> Cc: Peter Xu <peterx@xxxxxxxxxx> Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Yang Shi <shy828301@xxxxxxxxx> Cc: "Zach O'Keefe" <zokeefe@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/khugepaged.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/khugepaged.c~mm-khugepaged-remove-unneeded-return-value-of-khugepaged_add_pte_mapped_thp +++ a/mm/khugepaged.c @@ -1372,7 +1372,7 @@ 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, +static void khugepaged_add_pte_mapped_thp(struct mm_struct *mm, unsigned long addr) { struct mm_slot *mm_slot; @@ -1384,7 +1384,6 @@ 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 maintainers-add-myself-as-a-memory-failure-reviewer.patch mm-shmemc-clean-up-comment-of-shmem_swapin_folio.patch mm-reduce-the-rcu-lock-duration.patch mm-migration-remove-unneeded-lock-page-and-pagemovable-check.patch mm-migration-return-errno-when-isolate_huge_page-failed.patch mm-migration-fix-potential-pte_unmap-on-an-not-mapped-pte.patch mm-memremap-fix-wrong-function-name-above-memremap_pages.patch mm-swapfile-make-security_vm_enough_memory_mm-work-as-expected.patch mm-swapfile-fix-possible-data-races-of-inuse_pages.patch mm-swap-remove-swap_cache_info-statistics.patch mm-vmscan-dont-try-to-reclaim-freed-folios.patch lib-test_hmm-avoid-accessing-uninitialized-pages.patch mm-memremap-fix-memunmap_pages-race-with-get_dev_pagemap.patch mm-khugepaged-try-to-free-transhuge-swapcache-when-possible.patch mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch