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 A9A78C32774 for ; Mon, 22 Aug 2022 19:25:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238498AbiHVTZM (ORCPT ); Mon, 22 Aug 2022 15:25:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238106AbiHVTXL (ORCPT ); Mon, 22 Aug 2022 15:23:11 -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 7D59652DF2 for ; Mon, 22 Aug 2022 12:21:54 -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 DDBF161238 for ; Mon, 22 Aug 2022 19:21:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3DF09C433C1; Mon, 22 Aug 2022 19:21:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1661196113; bh=1fEpNnSRQ2hc/Pmop74fW405I86poHU/17ENyQPA7k4=; h=Date:To:From:Subject:From; b=Re6W7y1tEbUgNqpvcX89hyGvlTULnk4d6o4MOP7/3dfqVvh4KcCBvNl+XYsmgONXo 9lJBRTsOi88j8yVN4+mCfcta9bWwShLWV5jipOMTratOtBcmeg5G+WIkwnVKbavYh0 PLhJuOZkuLZsGcG1HjFRrnAvZuFt6/9yy91C/6i8= Date: Mon, 22 Aug 2022 12:21:52 -0700 To: mm-commits@vger.kernel.org, yuzhao@google.com, willy@infradead.org, will@kernel.org, vbabka@suse.cz, svens@linux.ibm.com, sj@kernel.org, Liam.Howlett@oracle.com, dhowells@redhat.com, david@redhat.com, catalin.marinas@arm.com, liam.howlett@oracle.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-vmscan-use-vma-iterator-instead-of-vm_next.patch added to mm-unstable branch Message-Id: <20220822192153.3DF09C433C1@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/vmscan: Use vma iterator instead of vm_next has been added to the -mm mm-unstable branch. Its filename is mm-vmscan-use-vma-iterator-instead-of-vm_next.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmscan-use-vma-iterator-instead-of-vm_next.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: Liam Howlett Subject: mm/vmscan: Use vma iterator instead of vm_next Date: Mon, 22 Aug 2022 15:06:33 +0000 Use the vma iterator in in get_next_vma() instead of the linked list. Link: https://lkml.kernel.org/r/20220822150128.1562046-68-Liam.Howlett@oracle.com Suggested-by: Yu Zhao Signed-off-by: Liam R. Howlett Cc: Catalin Marinas Cc: David Hildenbrand Cc: David Howells Cc: "Matthew Wilcox (Oracle)" Cc: SeongJae Park Cc: Sven Schnelle Cc: Vlastimil Babka Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/vmscan.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) --- a/mm/vmscan.c~mm-vmscan-use-vma-iterator-instead-of-vm_next +++ a/mm/vmscan.c @@ -3776,23 +3776,14 @@ static bool get_next_vma(unsigned long m { unsigned long start = round_up(*vm_end, size); unsigned long end = (start | ~mask) + 1; + VMA_ITERATOR(vmi, args->mm, start); VM_WARN_ON_ONCE(mask & size); VM_WARN_ON_ONCE((start & mask) != (*vm_start & mask)); - while (args->vma) { - if (start >= args->vma->vm_end) { - args->vma = args->vma->vm_next; + for_each_vma_range(vmi, args->vma, end) { + if (should_skip_vma(args->vma->vm_start, args->vma->vm_end, args)) continue; - } - - if (end && end <= args->vma->vm_start) - return false; - - if (should_skip_vma(args->vma->vm_start, args->vma->vm_end, args)) { - args->vma = args->vma->vm_next; - continue; - } *vm_start = max(start, args->vma->vm_start); *vm_end = min(end - 1, args->vma->vm_end - 1) + 1; _ Patches currently in -mm which might be from liam.howlett@oracle.com are binder_alloc-add-missing-mmap_lock-calls-when-using-the-vma.patch mm-vmscan-use-vma-iterator-instead-of-vm_next.patch