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 X-Spam-Level: X-Spam-Status: No, score=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64825C433C1 for ; Tue, 30 Mar 2021 09:27:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E1A5D61989 for ; Tue, 30 Mar 2021 09:27:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E1A5D61989 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 39F506B0071; Tue, 30 Mar 2021 05:27:55 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 350F06B007D; Tue, 30 Mar 2021 05:27:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 218A36B0080; Tue, 30 Mar 2021 05:27:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0219.hostedemail.com [216.40.44.219]) by kanga.kvack.org (Postfix) with ESMTP id 043716B0071 for ; Tue, 30 Mar 2021 05:27:54 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id B78C0181AEF3F for ; Tue, 30 Mar 2021 09:27:54 +0000 (UTC) X-FDA: 77976013668.03.AF26CB7 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf08.hostedemail.com (Postfix) with ESMTP id 27A3E80192E0 for ; Tue, 30 Mar 2021 09:27:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617096473; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EWiAbCS12K5/gwjFkwRosz2LP2JMA/qrMhM9SKRN5xY=; b=QmKTpahQ2SUOkwGXGa6f7S/ML8m50E8vn/pZAHl4t8ntzWS1iC8g8VCMj39FNgnSNoTVLm /jnUboyKKrCBOIthIglPIslANfiF+tnl4cpBD66w7x9ZL8soN2Z6Qh0lYoJL9QvWxvtXgC QmnVQ9pAgbdIrvnU467bSFGY9WGUs8g= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-272-We0EIDtHPj6WqFFIPDAyzw-1; Tue, 30 Mar 2021 05:27:49 -0400 X-MC-Unique: We0EIDtHPj6WqFFIPDAyzw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8E9B19CC0E; Tue, 30 Mar 2021 09:27:48 +0000 (UTC) Received: from [10.36.114.210] (ovpn-114-210.ams2.redhat.com [10.36.114.210]) by smtp.corp.redhat.com (Postfix) with ESMTP id 688693AC0; Tue, 30 Mar 2021 09:27:47 +0000 (UTC) Subject: Re: [PATCH] mm/ksm: remove unused parameter from remove_trailing_rmap_items() To: Chengyang Fan , akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20210330070808.1248087-1-cy.fan@huawei.com> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: Date: Tue, 30 Mar 2021 11:27:46 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210330070808.1248087-1-cy.fan@huawei.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Stat-Signature: fp4r11ujc1baykrbdebucnpwi5o1b1bq X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 27A3E80192E0 Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf08; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=170.10.133.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617096468-178750 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: On 30.03.21 09:08, Chengyang Fan wrote: > Since commit 6514d511dbe5 ("ksm: singly-linked rmap_list") was > merged, remove_trailing_rmap_items() doesn't use the 'mm_slot' > parameter. So remove it, and update caller accordingly. > > Signed-off-by: Chengyang Fan > --- > mm/ksm.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/mm/ksm.c b/mm/ksm.c > index 9694ee2c71de..dd69f030c8c0 100644 > --- a/mm/ksm.c > +++ b/mm/ksm.c > @@ -817,8 +817,7 @@ static void remove_rmap_item_from_tree(struct rmap_item *rmap_item) > cond_resched(); /* we're called from many long loops */ > } > > -static void remove_trailing_rmap_items(struct mm_slot *mm_slot, > - struct rmap_item **rmap_list) > +static void remove_trailing_rmap_items(struct rmap_item **rmap_list) > { > while (*rmap_list) { > struct rmap_item *rmap_item = *rmap_list; > @@ -989,7 +988,7 @@ static int unmerge_and_remove_all_rmap_items(void) > goto error; > } > > - remove_trailing_rmap_items(mm_slot, &mm_slot->rmap_list); > + remove_trailing_rmap_items(&mm_slot->rmap_list); > mmap_read_unlock(mm); > > spin_lock(&ksm_mmlist_lock); > @@ -2337,7 +2336,7 @@ static struct rmap_item *scan_get_next_rmap_item(struct page **page) > * Nuke all the rmap_items that are above this current rmap: > * because there were no VM_MERGEABLE vmas with such addresses. > */ > - remove_trailing_rmap_items(slot, ksm_scan.rmap_list); > + remove_trailing_rmap_items(ksm_scan.rmap_list); > > spin_lock(&ksm_mmlist_lock); > ksm_scan.mm_slot = list_entry(slot->mm_list.next, > Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb