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 A7F21C433F5 for ; Tue, 29 Mar 2022 01:11:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229587AbiC2BMz (ORCPT ); Mon, 28 Mar 2022 21:12:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229621AbiC2BMw (ORCPT ); Mon, 28 Mar 2022 21:12:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEB6D30543 for ; Mon, 28 Mar 2022 18:11:08 -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 4E47661214 for ; Tue, 29 Mar 2022 01:11:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A5D9EC34111; Tue, 29 Mar 2022 01:11:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648516267; bh=r9WKRlC//C8P8ZAXvwe+t+LIKnyxQWOuOFvZP0wYgmg=; h=Date:To:From:Subject:From; b=I9YG6exoE0e5OBKWYYzTpsDJR7oYSxKeDdnY70LtSkZhgaCUpVRhKMFGYRINnAn6/ XE0voAlslNlhafJcsT+Xp0WW0ajeyheBN+c1iNBgWq6Cf7QBNYOSwbi7A+2fccClVY 8EAN62MXluZWSNGyeMDH2HxK1fse99saCsPnSYdE= Date: Mon, 28 Mar 2022 18:11:07 -0700 To: mm-commits@vger.kernel.org, vitaly.wool@konsulko.com, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch added to -mm tree Message-Id: <20220329011107.A5D9EC34111@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/z3fold: remove unneeded PAGE_HEADLESS check in free_handle() has been added to the -mm tree. Its filename is mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch 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 and is updated there every 3-4 working days ------------------------------------------------------ From: Miaohe Lin 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@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: Vitaly Wool Signed-off-by: Andrew Morton --- 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@huawei.com are mm-shmem-make-shmem_init-return-void.patch mm-memcg-remove-unneeded-nr_scanned.patch mm-mremap-use-helper-mlock_future_check.patch mm-mlock-fix-two-bugs-in-user_shm_lock.patch mm-z3fold-declare-z3fold_mount-with-__init.patch mm-z3fold-remove-obsolete-comment-in-z3fold_alloc.patch mm-z3fold-minor-clean-up-for-z3fold_free.patch mm-z3fold-remove-unneeded-page_mapcount_reset-and-clearpageprivate.patch mm-z3fold-remove-confusing-local-variable-l-reassignment.patch mm-z3fold-move-decrement-of-pool-pages_nr-into-__release_z3fold_page.patch mm-z3fold-remove-redundant-list_del_init-of-zhdr-buddy-in-z3fold_free.patch mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch mm-compaction-use-helper-isolation_suitable.patch mm-migration-remove-unneeded-local-variable-mapping_locked.patch mm-migration-remove-unneeded-out-label.patch mm-migration-remove-unneeded-local-variable-page_lru.patch mm-migration-fix-the-confusing-pagetranshuge-check.patch mm-migration-use-helper-function-vma_lookup-in-add_page_for_migration.patch mm-migration-use-helper-macro-min-in-do_pages_stat.patch mm-migration-avoid-unneeded-nodemask_t-initialization.patch mm-migration-remove-some-duplicated-codes-in-migrate_pages.patch mm-migration-fix-potential-page-refcounts-leak-in-migrate_pages.patch mm-migration-fix-potential-invalid-node-access-for-reclaim-based-migration.patch mm-migration-fix-possible-do_pages_stat_array-racing-with-memory-offline.patch