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 E2901C28D13 for ; Mon, 22 Aug 2022 20:59:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230383AbiHVU7J (ORCPT ); Mon, 22 Aug 2022 16:59:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55924 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237335AbiHVU7H (ORCPT ); Mon, 22 Aug 2022 16:59:07 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B75F4CA12 for ; Mon, 22 Aug 2022 13:59:07 -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 BA740612B5 for ; Mon, 22 Aug 2022 20:59:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1EC3EC433D6; Mon, 22 Aug 2022 20:59:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1661201946; bh=RaCBEk+BNHN/8WuE4OT50mWv1sxxxoRxDj/IbBeMRiI=; h=Date:To:From:Subject:From; b=ypnLWyRDIOvm2TFDotfTQAIKoMz1ey2PqF5IUC4mkJ0KXxpqSWBPq9cXDEa+LOpfI 5SKt0V5TsXBu4hXuVGtW2hfpucW+P+xeBIodmm7wKTVVYYqO055E+wGf/GaBLBHVUv qqsbZf0IUmQLQlfKMu34Shscj9qENi42veaya/I8= Date: Mon, 22 Aug 2022 13:59:05 -0700 To: mm-commits@vger.kernel.org, eb@emlix.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-pagewalk-dont-check-vma-in-walk_page_range_novma.patch added to mm-unstable branch Message-Id: <20220822205906.1EC3EC433D6@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: pagewalk: don't check vma in walk_page_range_novma() has been added to the -mm mm-unstable branch. Its filename is mm-pagewalk-dont-check-vma-in-walk_page_range_novma.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-pagewalk-dont-check-vma-in-walk_page_range_novma.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: Rolf Eike Beer Subject: mm: pagewalk: don't check vma in walk_page_range_novma() Date: Mon, 22 Aug 2022 15:00:47 +0200 Directly call walk_pgd_range() as that is everything that will actually happen in __walk_page_range() besides checking if the vma is set. Link: https://lkml.kernel.org/r/21585888.EfDdHjke4D@devpool047 Signed-off-by: Rolf Eike Beer Signed-off-by: Andrew Morton --- mm/pagewalk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/pagewalk.c~mm-pagewalk-dont-check-vma-in-walk_page_range_novma +++ a/mm/pagewalk.c @@ -517,7 +517,7 @@ int walk_page_range_novma(struct mm_stru mmap_assert_locked(walk.mm); - return __walk_page_range(start, end, &walk); + return walk_pgd_range(start, end, &walk); } int walk_page_vma(struct vm_area_struct *vma, const struct mm_walk_ops *ops, _ Patches currently in -mm which might be from eb@emlix.com are mm-pagewalk-make-error-checks-more-obvious.patch mm-pagewalk-dont-check-vma-in-walk_page_range_novma.patch mm-pagewalk-fix-documentation-of-pte-hole-handling.patch mm-pagewalk-add-api-documentation-for-walk_page_range_novma.patch mm-pagewalk-allow-walk_page_range_novma-without-mm.patch mm-pagewalk-move-variables-to-more-local-scope-tweak-loops.patch