From patchwork Tue Jul 12 11:22:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Oberhollenzer X-Patchwork-Id: 590235 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 35B09CCA483 for ; Tue, 12 Jul 2022 11:46:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231916AbiGLLqQ (ORCPT ); Tue, 12 Jul 2022 07:46:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231584AbiGLLqN (ORCPT ); Tue, 12 Jul 2022 07:46:13 -0400 Received: from mail.infraroot.at (mail.infraroot.at [54.37.73.54]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD308B1963 for ; Tue, 12 Jul 2022 04:46:10 -0700 (PDT) Received: from localtoast.corp.sigma-star.at (unknown [82.150.214.1]) by mail.infraroot.at (Postfix) with ESMTPSA id 3F10640AAE; Tue, 12 Jul 2022 13:22:49 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.infraroot.at 3F10640AAE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=infraroot.at; s=default; t=1657624969; bh=VdWRuWrJvrHCpkbnZjaLP6hbNsoyeYZS7k+p3f9yklY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ysbH0rrGXCO38zWbhjnTm55K6eCfXQDn0Ko6erY7XxJhZ/5zH/IGGWlWsdUiOM58H hStWYnRUubgCWIcXWi6OnA4hmWDJzICzB9zjkF60i7QGPYQYVfPMbnM7YThRCW464a IADFaL3G8F9jzFWR8bNtVvY3un5nSanp7Mn+WBCI= From: David Oberhollenzer To: linux-rt-users@vger.kernel.org Cc: williams@redhat.com, bigeasy@linutronix.de, richard@nod.at, David Oberhollenzer Subject: [PATCH 4/4] Allow MEMCG on PREEMPT_RT Date: Tue, 12 Jul 2022 13:22:38 +0200 Message-Id: <20220712112238.18824-5-goliath@infraroot.at> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220712112238.18824-1-goliath@infraroot.at> References: <20220712112238.18824-1-goliath@infraroot.at> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org With these backported, it is safe to use MEMCG again: mm/memcg: Add a local_lock_t for IRQ and TASK object. mm/memcg: Protect per-CPU counter by disabling preemption on PREEMPT_RT where needed. mm/memcg: Disable threshold event handlers on PREEMPT_RT Signed-off-by: David Oberhollenzer --- init/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/init/Kconfig b/init/Kconfig index 160f836f81c7..1646c25f6ec5 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -943,7 +943,6 @@ config PAGE_COUNTER config MEMCG bool "Memory controller" - depends on !PREEMPT_RT select PAGE_COUNTER select EVENTFD help