The quilt patch titled Subject: mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle() has been removed from the -mm tree. Its filename was mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch This patch was dropped because it was merged into mm-stable ------------------------------------------------------ From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/z3fold: remove unneeded PAGE_HEADLESS check in free_handle() The only caller z3fold_free() never calls free_handle() in PAGE_HEADLESS case. Remove this unneeded check. Link: https://lkml.kernel.org/r/20220308134311.59086-9-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/z3fold.c | 3 --- 1 file changed, 3 deletions(-) --- a/mm/z3fold.c~mm-z3fold-remove-unneeded-page_headless-check-in-free_handle +++ a/mm/z3fold.c @@ -297,9 +297,6 @@ static inline void free_handle(unsigned int i; bool is_free; - if (handle & (1 << PAGE_HEADLESS)) - return; - if (WARN_ON(*(unsigned long *)handle == 0)) return; _ Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are mm-swapfile-unuse_pte-can-map-random-data-if-swap-read-fails.patch mm-swapfile-fix-lost-swap-bits-in-unuse_pte.patch mm-migration-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-vmscan-take-min_slab_pages-into-account-when-try-to-call-shrink_node.patch mm-vmscan-add-a-comment-about-madv_free-pages-check-in-folio_check_dirty_writeback.patch mm-vmscan-introduce-helper-function-reclaim_page_list.patch mm-vmscan-take-all-base-pages-of-thp-into-account-when-race-with-speculative-reference.patch mm-vmscan-remove-obsolete-comment-in-kswapd_run.patch mm-vmscan-use-helper-folio_is_file_lru.patch mm-vmscan-use-helper-folio_is_file_lru-fix.patch mm-z3fold-fix-sheduling-while-atomic.patch mm-z3fold-fix-possible-null-pointer-dereferencing.patch mm-z3fold-remove-buggy-use-of-stale-list-for-allocation.patch mm-z3fold-throw-warning-on-failure-of-trylock_page-in-z3fold_alloc.patch revert-mm-z3foldc-allow-__gfp_highmem-in-z3fold_alloc.patch mm-z3fold-put-z3fold-page-back-into-unbuddied-list-when-reclaim-or-migration-fails.patch mm-z3fold-always-clear-page_claimed-under-z3fold-page-lock.patch mm-z3fold-fix-z3fold_reclaim_page-races-with-z3fold_free.patch mm-z3fold-fix-z3fold_page_migrate-races-with-z3fold_map.patch mm-swap-use-helper-is_swap_pte-in-swap_vma_readahead.patch mm-swap-use-helper-macro-__attr_rw.patch mm-swap-fold-__swap_info_get-into-its-sole-caller.patch mm-swap-remove-unneeded-return-value-of-free_swap_slot.patch mm-swap-print-bad-swap-offset-entry-in-get_swap_device.patch mm-swap-remove-buggy-cache-nr-check-in-refill_swap_slots_cache.patch mm-swap-remove-unneeded-p-=-null-check-in-__swap_duplicate.patch mm-swap-make-page_swapcount-and-__lru_add_drain_all.patch mm-swap-avoid-calling-swp_swap_info-when-try-to-check-swp_stable_writes.patch mm-swap-add-helper-swap_offset_available.patch mm-swap-fix-the-obsolete-comment-for-swp_type_shift.patch mm-swap-clean-up-the-comment-of-find_next_to_unuse.patch mm-swap-fix-the-comment-of-get_kernel_pages.patch mm-swap-fix-comment-about-swap-extent.patch