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 CF8E2C4167D for ; Fri, 10 Nov 2023 17:42:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345611AbjKJRmz (ORCPT ); Fri, 10 Nov 2023 12:42:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235012AbjKJRl6 (ORCPT ); Fri, 10 Nov 2023 12:41:58 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D921C446C5 for ; Fri, 10 Nov 2023 09:25:43 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61063C433C7; Fri, 10 Nov 2023 17:25:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1699637143; bh=uPXb12y1A3BIYUVZN42a5qsma6NV7zd9Qtx+OYEJU1I=; h=Date:To:From:Subject:From; b=IFptWFW8DFQmAmttEqFWz1sdgNta9bvLoSUCVHgnTjYU1ZmYgkScccZ/vlNl+F9nw h4TJzO3I+1dMB/GwQERuGmE7MZOkAYXZukGZgMOR1R40CnDfh8Oxi0+POvvszxE/Fc oP0BGeMANhyLMp9S/qVvrmyQgi9trywujKCYai44= Date: Fri, 10 Nov 2023 09:25:41 -0800 To: mm-commits@vger.kernel.org, willy@infradead.org, gregory.price@memverge.com, david@redhat.com, wangkefeng.wang@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + fs-proc-page-remove-unneeded-pagetail-pageslab-check.patch added to mm-unstable branch Message-Id: <20231110172543.61063C433C7@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: fs/proc/page: remove unneeded PageTail && PageSlab check has been added to the -mm mm-unstable branch. Its filename is fs-proc-page-remove-unneeded-pagetail-pageslab-check.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/fs-proc-page-remove-unneeded-pagetail-pageslab-check.patch This patch will later 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: Kefeng Wang Subject: fs/proc/page: remove unneeded PageTail && PageSlab check Date: Fri, 10 Nov 2023 11:33:18 +0800 Patch series "mm: remove page idle and young wrapper", v2. Convert to use folio idle and young functions instead of page ones, then remove all page idle and young wrapper. This patch (of 7): After commit dcb351cd095a ("page-flags: define behavior SL*B-related flags on compound pages"), the slab could not be a tail, remove unneeded PageTail && PageSlab check. Link: https://lkml.kernel.org/r/20231110033324.2455523-1-wangkefeng.wang@huawei.com Link: https://lkml.kernel.org/r/20231110033324.2455523-2-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang Cc: David Hildenbrand Cc: Gregory Price Cc: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton --- fs/proc/page.c | 3 --- 1 file changed, 3 deletions(-) --- a/fs/proc/page.c~fs-proc-page-remove-unneeded-pagetail-pageslab-check +++ a/fs/proc/page.c @@ -184,9 +184,6 @@ u64 stable_page_flags(struct page *page) u |= kpf_copy_bit(k, KPF_LOCKED, PG_locked); u |= kpf_copy_bit(k, KPF_SLAB, PG_slab); - if (PageTail(page) && PageSlab(page)) - u |= 1 << KPF_SLAB; - u |= kpf_copy_bit(k, KPF_ERROR, PG_error); u |= kpf_copy_bit(k, KPF_DIRTY, PG_dirty); u |= kpf_copy_bit(k, KPF_UPTODATE, PG_uptodate); _ Patches currently in -mm which might be from wangkefeng.wang@huawei.com are fs-proc-page-remove-unneeded-pagetail-pageslab-check.patch fs-proc-page-use-a-folio-in-stable_page_flags.patch fs-proc-page-respect-folio-head-page-flag-placement.patch mm-huge_memory-use-more-folio-api-in-__split_huge_page_tail.patch mm-task_mmu-use-a-folio-in-smaps_account.patch mm-task_mmu-use-a-folio-in-clear_refs_pte_range.patch page_idle-kill-page-idle-and-young-wrapper.patch