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 32DBDC433F5 for ; Wed, 19 Jan 2022 18:00:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356556AbiASSA0 (ORCPT ); Wed, 19 Jan 2022 13:00:26 -0500 Received: from smtp-out2.suse.de ([195.135.220.29]:38042 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234188AbiASSAS (ORCPT ); Wed, 19 Jan 2022 13:00:18 -0500 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 378131F3C0; Wed, 19 Jan 2022 18:00:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1642615217; h=from:from:reply-to: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=bGnb4EpR3a/WW7uTKUzsKnsbquOXLYKAYdiX7HT/BKY=; b=FH5lixiJ1cUm9dDRcGfayc/bh21PjSoZK9sBB9/hZH/FP+8w0ckuQ7bGX496pIShC4NUJe gACnEjVxf/3oj/5XyLBnVeX1wbaq/NOE5+tK2aIZsFzKoZoRyoluJ135ZqaelD8IxVMkgS PnaFjXuE1F4kWS3ly4Obs3OPDNNeVyc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1642615217; h=from:from:reply-to: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=bGnb4EpR3a/WW7uTKUzsKnsbquOXLYKAYdiX7HT/BKY=; b=xOaC6QUT3DeYy+7Y6D6MHLTcUDIEt91pogwq3tYP0z/7vwGQYzbm/rXUKffeWprncsgAlJ OW7AQqvvQ5A3rDCg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id E810613E15; Wed, 19 Jan 2022 18:00:16 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id z4n3N7BR6GHCTwAAMHmgww (envelope-from ); Wed, 19 Jan 2022 18:00:16 +0000 Message-ID: Date: Wed, 19 Jan 2022 19:00:16 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v4 53/66] mm/madvise: Use vma_find() instead of vma linked list Content-Language: en-US To: Liam Howlett , "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton Cc: Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Jerome Glisse , Minchan Kim , Joel Fernandes , Rom Lemarchand References: <20211201142918.921493-1-Liam.Howlett@oracle.com> <20211201142918.921493-54-Liam.Howlett@oracle.com> From: Vlastimil Babka In-Reply-To: <20211201142918.921493-54-Liam.Howlett@oracle.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/1/21 15:30, Liam Howlett wrote: > From: "Liam R. Howlett" > > Signed-off-by: Liam R. Howlett Acked-by: Vlastimil Babka > --- > mm/madvise.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/madvise.c b/mm/madvise.c > index 8c927202bbe6..cb6daa98e5b1 100644 > --- a/mm/madvise.c > +++ b/mm/madvise.c > @@ -1209,7 +1209,7 @@ int do_madvise(struct mm_struct *mm, unsigned long start, size_t len_in, int beh > if (start >= end) > goto out; > if (prev) > - vma = prev->vm_next; > + vma = find_vma(mm, prev->vm_end); > else /* madvise_remove dropped mmap_lock */ > vma = find_vma(mm, start); > }