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 7CFC0C28D13 for ; Mon, 22 Aug 2022 20:59:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237717AbiHVU7V (ORCPT ); Mon, 22 Aug 2022 16:59:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237724AbiHVU7O (ORCPT ); Mon, 22 Aug 2022 16:59:14 -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 EE85A4D255 for ; Mon, 22 Aug 2022 13:59:10 -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 8C6366130F for ; Mon, 22 Aug 2022 20:59:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E38CCC433D6; Mon, 22 Aug 2022 20:59:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1661201950; bh=2mzqB8IFMM0bX0AGFmIEl8/d0K/aSWZEu/Crs/iyFvs=; h=Date:To:From:Subject:From; b=pI5qX9U4K4SxAIhz8vSFo+sB4Z/4s88fE3rPqt3uttGQfeEPa8b/y87rwrID1z7ku 5bO43rfmFuqQOLx8VitHiImlnjdc45GVdI/T/2ttHwnqKyOuUPnE9Ar61bxna43fbI djFc04iqSThC56qhg20m7DmSLmmqpQT2r7oeT5NI= Date: Mon, 22 Aug 2022 13:59:09 -0700 To: mm-commits@vger.kernel.org, eb@emlix.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-pagewalk-add-api-documentation-for-walk_page_range_novma.patch added to mm-unstable branch Message-Id: <20220822205909.E38CCC433D6@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: add api documentation for walk_page_range_novma() has been added to the -mm mm-unstable branch. Its filename is mm-pagewalk-add-api-documentation-for-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-add-api-documentation-for-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: add api documentation for walk_page_range_novma() Date: Mon, 22 Aug 2022 15:02:36 +0200 Link: https://lkml.kernel.org/r/8991525.CDJkKcVGEf@devpool047 Signed-off-by: Rolf Eike Beer Signed-off-by: Andrew Morton --- mm/pagewalk.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) --- a/mm/pagewalk.c~mm-pagewalk-add-api-documentation-for-walk_page_range_novma +++ a/mm/pagewalk.c @@ -493,7 +493,15 @@ int walk_page_range(struct mm_struct *mm return 0; } -/* +/** + * walk_page_range_novma - walk a range of pagetables not backed by a vma + * @mm: mm_struct representing the target process of page table walk + * @start: start address of the virtual address range + * @end: end address of the virtual address range + * @ops: operation to call during the walk + * @pgd: pgd to walk if different from mm->pgd + * @private: private data for callbacks' usage + * * Similar to walk_page_range() but can walk any page tables even if they are * not backed by VMAs. Because 'unusual' entries may be walked this function * will also not lock the PTEs for the pte_entry() callback. This is useful for _ 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