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 D79CCC43334 for ; Tue, 19 Jul 2022 22:59:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231312AbiGSW7n (ORCPT ); Tue, 19 Jul 2022 18:59:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234570AbiGSW7c (ORCPT ); Tue, 19 Jul 2022 18:59:32 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A99D62A5A for ; Tue, 19 Jul 2022 15:59:31 -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 4E70BB81DAF for ; Tue, 19 Jul 2022 22:59:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 007C2C341C6; Tue, 19 Jul 2022 22:59:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1658271569; bh=94THp4gLpEoPmXtExArBAG87nA4ZpDD6Nzn318h/Ckg=; h=Date:To:From:Subject:From; b=BtYpnzhLfJqepyUWlaHpQ4SQWh4w/tjYc6atMBdxFd8ltA8v9uhGj6TyUS77FCTCI TmKXyC3VmV8FhaPWyPM7MX/1WBnkkZW5ayihPC4n3NlV9VUChrVHkAdGXHw2jEswta yV17R/g1qO88dP6QQkimACFRq2ETOzO3SwOmIU2c= Date: Tue, 19 Jul 2022 15:59:28 -0700 To: mm-commits@vger.kernel.org, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-mempolicy-remove-unneeded-out-label.patch added to mm-unstable branch Message-Id: <20220719225929.007C2C341C6@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/mempolicy: remove unneeded out label has been added to the -mm mm-unstable branch. Its filename is mm-mempolicy-remove-unneeded-out-label.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mempolicy-remove-unneeded-out-label.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: Miaohe Lin Subject: mm/mempolicy: remove unneeded out label Date: Tue, 19 Jul 2022 19:52:33 +0800 We can use unlock label to unlock ptl and return ret directly to remove the unneeded out label and reduce the size of mempolicy.o. No functional change intended. [Before] text data bss dec hex filename 26702 3972 6168 36842 8fea mm/mempolicy.o [After] text data bss dec hex filename 26662 3972 6168 36802 8fc2 mm/mempolicy.o Link: https://lkml.kernel.org/r/20220719115233.6706-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton --- mm/mempolicy.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/mm/mempolicy.c~mm-mempolicy-remove-unneeded-out-label +++ a/mm/mempolicy.c @@ -466,9 +466,8 @@ static int queue_pages_pmd(pmd_t *pmd, s } page = pmd_page(*pmd); if (is_huge_zero_page(page)) { - spin_unlock(ptl); walk->action = ACTION_CONTINUE; - goto out; + goto unlock; } if (!queue_pages_required(page, qp)) goto unlock; @@ -485,7 +484,6 @@ static int queue_pages_pmd(pmd_t *pmd, s ret = -EIO; unlock: spin_unlock(ptl); -out: return ret; } _ Patches currently in -mm which might be from linmiaohe@huawei.com are mm-hugetlb-avoid-corrupting-page-mapping-in-hugetlb_mcopy_atomic_pte.patch mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch mm-mmapc-fix-missing-call-to-vm_unacct_memory-in-mmap_region.patch filemap-minor-cleanup-for-filemap_write_and_wait_range.patch mm-remove-obsolete-comment-in-do_fault_around.patch mm-remove-unneeded-pageanon-check-in-restore_exclusive_pte.patch mm-mempolicy-remove-unneeded-out-label.patch