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 5C92CC433F5 for ; Fri, 6 May 2022 01:33:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1387974AbiEFBhQ (ORCPT ); Thu, 5 May 2022 21:37:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1387975AbiEFBhF (ORCPT ); Thu, 5 May 2022 21:37:05 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F04D61623 for ; Thu, 5 May 2022 18:33:23 -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 ams.source.kernel.org (Postfix) with ESMTPS id 08C55B83211 for ; Fri, 6 May 2022 01:33:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B92C0C385A4; Fri, 6 May 2022 01:33:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1651800800; bh=TViXk98fz5O0kH1xy5mJwmBasTl2llUZWw4Nm8eN8ac=; h=Date:To:From:Subject:From; b=zqBcLlgWIXJ5PUphWmJWjGj14iMjCb1FlHNRouxcbaswLta1EUNnxaGg4y7v5fVaO Cw7mjELiuU2P2n3/LV6hiLbB8ngU6SSBz+JZl4W4X257lptGqn8y0qIcuTtPw8ks3A 0w4nGhsqUOrakAakiW3KohwX8fojXiT+OG/8dzgc= Date: Thu, 05 May 2022 18:33:20 -0700 To: mm-commits@vger.kernel.org, hch@lst.de, willy@infradead.org, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-shmem-convert-shmem_alloc_and_acct_page-to-use-a-folio.patch added to mm-unstable branch Message-Id: <20220506013320.B92C0C385A4@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/shmem: convert shmem_alloc_and_acct_page to use a folio has been added to the -mm mm-unstable branch. Its filename is mm-shmem-convert-shmem_alloc_and_acct_page-to-use-a-folio.patch This patch should soon appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Matthew Wilcox (Oracle)" Subject: mm/shmem: convert shmem_alloc_and_acct_page to use a folio Convert shmem_alloc_hugepage() to return the folio that it uses and use a folio throughout shmem_alloc_and_acct_page(). Continue to return a page from shmem_alloc_and_acct_page() for now. Link: https://lkml.kernel.org/r/20220504182857.4013401-22-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig Signed-off-by: Andrew Morton --- mm/shmem.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) --- a/mm/shmem.c~mm-shmem-convert-shmem_alloc_and_acct_page-to-use-a-folio +++ a/mm/shmem.c @@ -1523,7 +1523,7 @@ static gfp_t limit_gfp_mask(gfp_t huge_g return result; } -static struct page *shmem_alloc_hugepage(gfp_t gfp, +static struct folio *shmem_alloc_hugefolio(gfp_t gfp, struct shmem_inode_info *info, pgoff_t index) { struct vm_area_struct pvma; @@ -1541,7 +1541,7 @@ static struct page *shmem_alloc_hugepage shmem_pseudo_vma_destroy(&pvma); if (!folio) count_vm_event(THP_FILE_FALLBACK); - return &folio->page; + return folio; } static struct folio *shmem_alloc_folio(gfp_t gfp, @@ -1568,7 +1568,7 @@ static struct page *shmem_alloc_and_acct pgoff_t index, bool huge) { struct shmem_inode_info *info = SHMEM_I(inode); - struct page *page; + struct folio *folio; int nr; int err = -ENOSPC; @@ -1580,13 +1580,13 @@ static struct page *shmem_alloc_and_acct goto failed; if (huge) - page = shmem_alloc_hugepage(gfp, info, index); + folio = shmem_alloc_hugefolio(gfp, info, index); else - page = shmem_alloc_page(gfp, info, index); - if (page) { - __SetPageLocked(page); - __SetPageSwapBacked(page); - return page; + folio = shmem_alloc_folio(gfp, info, index); + if (folio) { + __folio_set_locked(folio); + __folio_set_swapbacked(folio); + return &folio->page; } err = -ENOMEM; _ Patches currently in -mm which might be from willy@infradead.org are shmem-convert-shmem_alloc_hugepage-to-use-vma_alloc_folio.patch mm-huge_memory-convert-do_huge_pmd_anonymous_page-to-use-vma_alloc_folio.patch alpha-fix-alloc_zeroed_user_highpage_movable.patch mm-remove-alloc_pages_vma.patch vmscan-use-folio_mapped-in-shrink_page_list.patch vmscan-convert-the-writeback-handling-in-shrink_page_list-to-folios.patch swap-turn-get_swap_page-into-folio_alloc_swap.patch swap-convert-add_to_swap-to-take-a-folio.patch vmscan-convert-dirty-page-handling-to-folios.patch vmscan-convert-page-buffer-handling-to-use-folios.patch vmscan-convert-lazy-freeing-to-folios.patch vmscan-move-initialisation-of-mapping-down.patch vmscan-convert-the-activate_locked-portion-of-shrink_page_list-to-folios.patch mm-allow-can_split_folio-to-be-called-when-thp-are-disabled.patch vmscan-remove-remaining-uses-of-page-in-shrink_page_list.patch mm-shmem-use-a-folio-in-shmem_unused_huge_shrink.patch mm-swap-add-folio_throttle_swaprate.patch mm-shmem-convert-shmem_add_to_page_cache-to-take-a-folio.patch mm-shmem-turn-shmem_should_replace_page-into-shmem_should_replace_folio.patch mm-shmem-add-shmem_alloc_folio.patch mm-shmem-convert-shmem_alloc_and_acct_page-to-use-a-folio.patch mm-shmem-convert-shmem_getpage_gfp-to-use-a-folio.patch mm-shmem-convert-shmem_swapin_page-to-shmem_swapin_folio.patch mm-add-folio_mapping_flags.patch mm-add-folio_test_movable.patch mm-migrate-convert-move_to_new_page-into-move_to_new_folio.patch