From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A2F9C43334 for ; Mon, 4 Jul 2022 01:11:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233051AbiGDBLR (ORCPT ); Sun, 3 Jul 2022 21:11:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231905AbiGDBKq (ORCPT ); Sun, 3 Jul 2022 21:10:46 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C77F6341 for ; Sun, 3 Jul 2022 18:10:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AC7A261303 for ; Mon, 4 Jul 2022 01:10:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0CB20C341C6; Mon, 4 Jul 2022 01:10:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1656897028; bh=kwHISC2VUMNtnmSl9Nzm7uV8EtDCjtVniSOsRy/Yijg=; h=Date:To:From:Subject:From; b=F0GWXss54Jz7zlLAZZgUJKlVd3lgshIHB5PXynjNNj1W4qSORBeColkT3X539vtYJ jHe9TYebP+NwYB8qBsSb/Y1LWxPyrNuBWGyEiYqQ2A7Gw6DBjxuprHl+xZaq+0EHqR +urzHiaW8EKNVCOR+afsWAZyQBAhiU0kzoncZsss= Date: Sun, 03 Jul 2022 18:10:27 -0700 To: mm-commits@vger.kernel.org, willy@infradead.org, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-swap-convert-lru_lazyfree-to-a-folio_batch.patch removed from -mm tree Message-Id: <20220704011028.0CB20C341C6@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: mm/swap: convert lru_lazyfree to a folio_batch has been removed from the -mm tree. Its filename was mm-swap-convert-lru_lazyfree-to-a-folio_batch.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: "Matthew Wilcox (Oracle)" Subject: mm/swap: convert lru_lazyfree to a folio_batch Date: Fri, 17 Jun 2022 18:50:05 +0100 Using folios instead of pages removes several calls to compound_head(), shrinking the kernel by 1089 bytes of text. Link: https://lkml.kernel.org/r/20220617175020.717127-8-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton --- mm/swap.c | 51 ++++++++++++++++++++++++++------------------------- 1 file changed, 26 insertions(+), 25 deletions(-) --- a/mm/swap.c~mm-swap-convert-lru_lazyfree-to-a-folio_batch +++ a/mm/swap.c @@ -64,7 +64,7 @@ struct lru_pvecs { struct folio_batch lru_add; struct folio_batch lru_deactivate_file; struct folio_batch lru_deactivate; - struct pagevec lru_lazyfree; + struct folio_batch lru_lazyfree; #ifdef CONFIG_SMP struct pagevec activate_page; #endif @@ -639,22 +639,22 @@ static void lru_deactivate_fn(struct lru } } -static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec) +static void lru_lazyfree_fn(struct lruvec *lruvec, struct folio *folio) { - if (PageAnon(page) && PageSwapBacked(page) && - !PageSwapCache(page) && !PageUnevictable(page)) { - int nr_pages = thp_nr_pages(page); + if (folio_test_anon(folio) && folio_test_swapbacked(folio) && + !folio_test_swapcache(folio) && !folio_test_unevictable(folio)) { + long nr_pages = folio_nr_pages(folio); - del_page_from_lru_list(page, lruvec); - ClearPageActive(page); - ClearPageReferenced(page); + lruvec_del_folio(lruvec, folio); + folio_clear_active(folio); + folio_clear_referenced(folio); /* - * Lazyfree pages are clean anonymous pages. They have - * PG_swapbacked flag cleared, to distinguish them from normal - * anonymous pages + * Lazyfree folios are clean anonymous folios. They have + * the swapbacked flag cleared, to distinguish them from normal + * anonymous folios */ - ClearPageSwapBacked(page); - add_page_to_lru_list(page, lruvec); + folio_clear_swapbacked(folio); + lruvec_add_folio(lruvec, folio); __count_vm_events(PGLAZYFREE, nr_pages); __count_memcg_events(lruvec_memcg(lruvec), PGLAZYFREE, @@ -670,7 +670,6 @@ static void lru_lazyfree_fn(struct page void lru_add_drain_cpu(int cpu) { struct folio_batch *fbatch = &per_cpu(lru_pvecs.lru_add, cpu); - struct pagevec *pvec; if (folio_batch_count(fbatch)) folio_batch_move_lru(fbatch, lru_add_fn); @@ -694,9 +693,9 @@ void lru_add_drain_cpu(int cpu) if (folio_batch_count(fbatch)) folio_batch_move_lru(fbatch, lru_deactivate_fn); - pvec = &per_cpu(lru_pvecs.lru_lazyfree, cpu); - if (pagevec_count(pvec)) - pagevec_lru_move_fn(pvec, lru_lazyfree_fn); + fbatch = &per_cpu(lru_pvecs.lru_lazyfree, cpu); + if (folio_batch_count(fbatch)) + folio_batch_move_lru(fbatch, lru_lazyfree_fn); activate_page_drain(cpu); } @@ -759,15 +758,17 @@ void deactivate_page(struct page *page) */ void mark_page_lazyfree(struct page *page) { - if (PageLRU(page) && PageAnon(page) && PageSwapBacked(page) && - !PageSwapCache(page) && !PageUnevictable(page)) { - struct pagevec *pvec; + struct folio *folio = page_folio(page); + if (folio_test_lru(folio) && folio_test_anon(folio) && + folio_test_swapbacked(folio) && !folio_test_swapcache(folio) && + !folio_test_unevictable(folio)) { + struct folio_batch *fbatch; + + folio_get(folio); local_lock(&lru_pvecs.lock); - pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree); - get_page(page); - if (pagevec_add_and_need_flush(pvec, page)) - pagevec_lru_move_fn(pvec, lru_lazyfree_fn); + fbatch = this_cpu_ptr(&lru_pvecs.lru_lazyfree); + folio_batch_add_and_move(fbatch, folio, lru_lazyfree_fn); local_unlock(&lru_pvecs.lock); } } @@ -899,7 +900,7 @@ static inline void __lru_add_drain_all(b data_race(folio_batch_count(&per_cpu(lru_rotate.fbatch, cpu))) || folio_batch_count(&per_cpu(lru_pvecs.lru_deactivate_file, cpu)) || folio_batch_count(&per_cpu(lru_pvecs.lru_deactivate, cpu)) || - pagevec_count(&per_cpu(lru_pvecs.lru_lazyfree, cpu)) || + folio_batch_count(&per_cpu(lru_pvecs.lru_lazyfree, cpu)) || need_activate_page_drain(cpu) || need_mlock_page_drain(cpu) || has_bh_in_lru(cpu, NULL)) { _ Patches currently in -mm which might be from willy@infradead.org are mm-swap-convert-activate_page-to-a-folio_batch.patch mm-swap-rename-lru_pvecs-to-cpu_fbatches.patch mm-swap-pull-the-cpu-conditional-out-of-__lru_add_drain_all.patch mm-swap-optimise-lru_add_drain_cpu.patch mm-swap-convert-try_to_free_swap-to-use-a-folio.patch mm-swap-convert-release_pages-to-use-a-folio-internally.patch mm-swap-convert-put_pages_list-to-use-folios.patch mm-swap-convert-__put_page-to-__folio_put.patch mm-swap-convert-__put_single_page-to-__folio_put_small.patch mm-swap-convert-__put_compound_page-to-__folio_put_large.patch mm-swap-convert-__page_cache_release-to-use-a-folio.patch mm-convert-destroy_compound_page-to-destroy_large_folio.patch mm-convert-page_swap_flags-to-folio_swap_flags.patch mm-swap-convert-delete_from_swap_cache-to-take-a-folio.patch mm-swap-convert-__delete_from_swap_cache-to-a-folio.patch mm-add-vma-iterator.patch mmap-use-the-vma-iterator-in-count_vma_pages_range.patch proc-remove-vma-rbtree-use-from-nommu.patch arm64-remove-mmap-linked-list-from-vdso.patch parisc-remove-mmap-linked-list-from-cache-handling.patch powerpc-remove-mmap-linked-list-walks.patch s390-remove-vma-linked-list-walks.patch x86-remove-vma-linked-list-walks.patch xtensa-remove-vma-linked-list-walks.patch cxl-remove-vma-linked-list-walk.patch optee-remove-vma-linked-list-walk.patch um-remove-vma-linked-list-walk.patch coredump-remove-vma-linked-list-walk.patch exec-use-vma-iterator-instead-of-linked-list.patch fs-proc-task_mmu-stop-using-linked-list-and-highest_vm_end.patch acct-use-vma-iterator-instead-of-linked-list.patch perf-use-vma-iterator.patch sched-use-maple-tree-iterator-to-walk-vmas.patch fork-use-vma-iterator.patch mm-khugepaged-stop-using-vma-linked-list.patch mm-ksm-use-vma-iterators-instead-of-vma-linked-list.patch mm-mlock-use-vma-iterator-and-maple-state-instead-of-vma-linked-list.patch mm-pagewalk-use-vma_find-instead-of-vma-linked-list.patch i915-use-the-vma-iterator.patch nommu-remove-uses-of-vma-linked-list.patch mips-rename-pmd_order-to-pmd_table_order.patch