From patchwork Fri Sep 2 19:45:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12964587 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA15BC6FA83 for ; Fri, 2 Sep 2022 19:48:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D2A828011E; Fri, 2 Sep 2022 15:47:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CB25D80119; Fri, 2 Sep 2022 15:47:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AB7038011E; Fri, 2 Sep 2022 15:47:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 9B5A280119 for ; Fri, 2 Sep 2022 15:47:20 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 7CA9AAB6C7 for ; Fri, 2 Sep 2022 19:47:20 +0000 (UTC) X-FDA: 79868179440.23.65F48C0 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf28.hostedemail.com (Postfix) with ESMTP id 35B6AC007C for ; Fri, 2 Sep 2022 19:47:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=WCtN2rfnqCXLbRG1oT45kt9DXs9YBy3FEdcXV4kQCNA=; b=CaOLDFh/ku/1+xvvnAJDitZflb VnjHM/LCwPSFxZTWSDyJR851G97n+bcPzPNO3s6jTU7prJTuxbhJFwgcC9R+EuNKT27BqCkLs0yhf rHfAtCDDTw03iHysz7Vhs/QB+6a8FEXTWw85S4IT38gxN/dKdXANAz1Bmbk7Asy+yNtmDBiuKzTtg ngucuGJCZfvP3ArdVkHTZBS5+RneVbSprQFi6duJTUb4QzKdwiyOPIjg0VCXWtc5BeXlvB27hmBre z7lWxOPTfmxxIdXCzTyShONK2KHdbZt4Z8q3mQ2AXpvoDCrMeD7bp38wenW+T2sVkGlmChROLlb3O oiAfSuTw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1oUCcz-007Ibb-Tz; Fri, 02 Sep 2022 19:46:57 +0000 From: "Matthew Wilcox (Oracle)" To: Andrew Morton Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org Subject: [PATCH v2 00/57] MM folio changes for 6.1 Date: Fri, 2 Sep 2022 20:45:56 +0100 Message-Id: <20220902194653.1739778-1-willy@infradead.org> X-Mailer: git-send-email 2.37.1 MIME-Version: 1.0 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1662148040; a=rsa-sha256; cv=none; b=DCzEjxJyj2xqoC+XXVCwGedmIiFv1ZzvwB9XEnfRiIfR+ocYQqGECL83jniinchXf8VPNl X7eX5hT4T48qj0i6MHgLVdZ45qiHxvWw+/dFDOdeFAuaAs1ICsFeSo2ZzfQh3ScBpiV/YC 56FYiYvh/LoVnlh77HlJ5oJql5P/0fo= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b="CaOLDFh/"; dmarc=none; spf=none (imf28.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1662148040; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references:dkim-signature; bh=WCtN2rfnqCXLbRG1oT45kt9DXs9YBy3FEdcXV4kQCNA=; b=k+/UPUqYoxW/VVVdJQGYUO5MTuayqRIcoEMERUVvCO3C905aZzcXPb/gLaNLXSPTvhGs+G Bf6jy6V1kjj4GFKMGEmNh+qXNsa4l/+DCrVvWgYGG7Xgp7lowp5AF4i16G0QB8moN6pPgB CvMbbIRvzoNbjdAz3CI7Yh7Ubr78RiQ= X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 35B6AC007C Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b="CaOLDFh/"; dmarc=none; spf=none (imf28.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-Rspam-User: X-Stat-Signature: edt6xjqsmq8cm7ue61qq9di9yh3sjujp X-HE-Tag: 1662148040-413869 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: My focus this round has been on shmem. I believe it is now fully converted to folios. Of course, shmem interacts with a lot of the swap cache and other parts of the kernel, so there are patches all over the MM. This patch series survives a round of xfstests on tmpfs, which is nice, but hardly an exhaustive test. Hugh was nice enough to run a round of tests on it and found a bug which is fixed in this edition. Also new in this edition is the addition of mm: Convert lock_page_or_retry() to folio_lock_or_retry() which I inadvertently left out of the first round of patches. I adjusted the shmem_replace_page() patch to apply on top of 76d36dea0269. Matthew Wilcox (Oracle) (57): mm/vmscan: Fix a lot of comments mm: Add the first tail page to struct folio mm: Reimplement folio_order() and folio_nr_pages() mm: Add split_folio() mm: Add folio_add_lru_vma() shmem: Convert shmem_writepage() to use a folio throughout shmem: Convert shmem_delete_from_page_cache() to take a folio shmem: Convert shmem_replace_page() to use folios throughout mm/swapfile: Remove page_swapcount() mm/swapfile: Convert try_to_free_swap() to folio_free_swap() mm/swap: Convert __read_swap_cache_async() to use a folio mm/swap: Convert add_to_swap_cache() to take a folio mm/swap: Convert put_swap_page() to put_swap_folio() mm: Convert do_swap_page() to use a folio mm: Convert do_swap_page()'s swapcache variable to a folio memcg: Convert mem_cgroup_swapin_charge_page() to mem_cgroup_swapin_charge_folio() shmem: Convert shmem_mfill_atomic_pte() to use a folio shmem: Convert shmem_replace_page() to shmem_replace_folio() swap: Add swap_cache_get_folio() shmem: Eliminate struct page from shmem_swapin_folio() shmem: Convert shmem_getpage_gfp() to shmem_get_folio_gfp() shmem: Convert shmem_fault() to use shmem_get_folio_gfp() shmem: Convert shmem_read_mapping_page_gfp() to use shmem_get_folio_gfp() shmem: Add shmem_get_folio() shmem: Convert shmem_get_partial_folio() to use shmem_get_folio() shmem: Convert shmem_write_begin() to use shmem_get_folio() shmem: Convert shmem_file_read_iter() to use shmem_get_folio() shmem: Convert shmem_fallocate() to use a folio shmem: Convert shmem_symlink() to use a folio shmem: Convert shmem_get_link() to use a folio khugepaged: Call shmem_get_folio() userfaultfd: Convert mcontinue_atomic_pte() to use a folio shmem: Remove shmem_getpage() swapfile: Convert try_to_unuse() to use a folio swapfile: Convert __try_to_reclaim_swap() to use a folio swapfile: Convert unuse_pte_range() to use a folio mm: Convert do_swap_page() to use swap_cache_get_folio() mm: Remove lookup_swap_cache() swap_state: Convert free_swap_cache() to use a folio swap: Convert swap_writepage() to use a folio mm: Convert do_wp_page() to use a folio huge_memory: Convert do_huge_pmd_wp_page() to use a folio madvise: Convert madvise_free_pte_range() to use a folio uprobes: Use folios more widely in __replace_page() ksm: Use a folio in replace_page() mm: Convert do_swap_page() to use folio_free_swap() memcg: Convert mem_cgroup_swap_full() to take a folio mm: Remove try_to_free_swap() rmap: Convert page_move_anon_rmap() to use a folio migrate: Convert __unmap_and_move() to use folios migrate: Convert unmap_and_move_huge_page() to use folios huge_memory: Convert split_huge_page_to_list() to use a folio huge_memory: Convert unmap_page() to unmap_folio() mm: Convert page_get_anon_vma() to folio_get_anon_vma() rmap: Remove page_unlock_anon_vma_read() uprobes: Use new_folio in __replace_page() mm: Convert lock_page_or_retry() to folio_lock_or_retry() include/linux/huge_mm.h | 5 + include/linux/memcontrol.h | 4 +- include/linux/mm.h | 12 +- include/linux/mm_types.h | 30 ++- include/linux/pagemap.h | 9 +- include/linux/rmap.h | 7 +- include/linux/shmem_fs.h | 6 +- include/linux/swap.h | 35 ++-- kernel/events/uprobes.c | 28 +-- mm/folio-compat.c | 6 + mm/huge_memory.c | 95 +++++----- mm/khugepaged.c | 7 +- mm/ksm.c | 8 +- mm/madvise.c | 49 ++--- mm/memcontrol.c | 21 +- mm/memory-failure.c | 2 +- mm/memory.c | 160 ++++++++-------- mm/migrate.c | 107 ++++++----- mm/page_io.c | 21 +- mm/rmap.c | 33 ++-- mm/shmem.c | 379 ++++++++++++++++++------------------- mm/swap.c | 19 +- mm/swap.h | 16 +- mm/swap_slots.c | 2 +- mm/swap_state.c | 111 +++++------ mm/swapfile.c | 159 ++++++++-------- mm/truncate.c | 2 +- mm/userfaultfd.c | 14 +- mm/vmscan.c | 259 +++++++++++++------------ 29 files changed, 816 insertions(+), 790 deletions(-)