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 58B83C433EF for ; Tue, 10 May 2022 04:18:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234254AbiEJEWt (ORCPT ); Tue, 10 May 2022 00:22:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236141AbiEJEUs (ORCPT ); Tue, 10 May 2022 00:20:48 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C398636E0C for ; Mon, 9 May 2022 21:15:52 -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 5FC4C61772 for ; Tue, 10 May 2022 04:15:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAB47C385C2; Tue, 10 May 2022 04:15:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1652156151; bh=8t6nrPoFoUymOl8eQKvN0w4a8PUtsx+UogurQa7IRPg=; h=Date:To:From:Subject:From; b=VoCNL3G4Xd7KI2WwPwNWN2Y+nZcT/oY5lBAxRJqOggFr04Q0SzeWJUMc3eUox2eq9 YPsIgC1iwqf276+1/SIUhkFmi5EkoZqKGjSOVOlFFj8WdUplnhQFugYEwRxbi2suZj 4Ei++8PHcJBExlgxU1VJ5eChQx5g/uSqMCfeKBDU= Date: Mon, 09 May 2022 21:15:51 -0700 To: mm-commits@vger.kernel.org, sj@kernel.org, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-damon-sysfs-prohibit-multiple-physical-address-space-monitoring-targets.patch removed from -mm tree Message-Id: <20220510041551.BAB47C385C2@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: mm/damon/sysfs: prohibit multiple physical address space monitoring targets has been removed from the -mm tree. Its filename was mm-damon-sysfs-prohibit-multiple-physical-address-space-monitoring-targets.patch This patch was dropped because it was merged into mm-stable ------------------------------------------------------ From: SeongJae Park Subject: mm/damon/sysfs: prohibit multiple physical address space monitoring targets Having multiple targets for physical address space monitoring makes no sense. This commit prohibits such a ridiculous DAMON context setup my making the DAMON context build function to check and return an error for the case. Link: https://lkml.kernel.org/r/20220429160606.127307-7-sj@kernel.org Signed-off-by: SeongJae Park Signed-off-by: Andrew Morton --- mm/damon/sysfs.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/mm/damon/sysfs.c~mm-damon-sysfs-prohibit-multiple-physical-address-space-monitoring-targets +++ a/mm/damon/sysfs.c @@ -2125,6 +2125,10 @@ static int damon_sysfs_set_targets(struc { int i, err; + /* Multiple physical address space monitoring targets makes no sense */ + if (ctx->ops.id == DAMON_OPS_PADDR && sysfs_targets->nr > 1) + return -EINVAL; + for (i = 0; i < sysfs_targets->nr; i++) { struct damon_sysfs_target *sys_target = sysfs_targets->targets_arr[i]; _ Patches currently in -mm which might be from sj@kernel.org are