From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f198.google.com (mail-io0-f198.google.com [209.85.223.198]) by kanga.kvack.org (Postfix) with ESMTP id 88E6044093E for ; Fri, 14 Jul 2017 18:16:11 -0400 (EDT) Received: by mail-io0-f198.google.com with SMTP id f1so28704418ioj.11 for ; Fri, 14 Jul 2017 15:16:11 -0700 (PDT) Received: from userp1040.oracle.com (userp1040.oracle.com. [156.151.31.81]) by mx.google.com with ESMTPS id y3si13755555ioe.11.2017.07.14.15.16.10 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Jul 2017 15:16:10 -0700 (PDT) From: daniel.m.jordan@oracle.com Subject: [RFC PATCH v1 3/6] ktask: add /proc/sys/debug/ktask_max_threads Date: Fri, 14 Jul 2017 15:16:10 -0700 Message-Id: <1500070573-3948-4-git-send-email-daniel.m.jordan@oracle.com> In-Reply-To: <1500070573-3948-1-git-send-email-daniel.m.jordan@oracle.com> References: <1500070573-3948-1-git-send-email-daniel.m.jordan@oracle.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Adds a proc file to control the maximum number of ktask threads in use for any one job. Its primary use is to aid in debugging. Signed-off-by: Daniel Jordan --- kernel/sysctl.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 4dfba1a..7fe142b 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -67,6 +67,7 @@ #include #include #include +#include #include #include @@ -1850,6 +1851,15 @@ static int sysrq_sysctl_handler(struct ctl_table *table, int write, .extra2 = &one, }, #endif +#if defined(CONFIG_KTASK) + { + .procname = "ktask_max_threads", + .data = &ktask_max_threads, + .maxlen = sizeof(ktask_max_threads), + .mode = 0644, + .proc_handler = proc_dointvec, + }, +#endif { } }; -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org