From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 1/4] cgroup: export cgrp_dfl_root Date: Sun, 2 Aug 2015 16:23:41 -0400 Message-ID: <1438547024-23497-2-git-send-email-tj@kernel.org> References: <1438547024-23497-1-git-send-email-tj@kernel.org> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=/2cfPRubWtP6LcmNdZAC+VwmD5Cr1kYJ175jOV/6qkg=; b=tof0OFkkV3FEhAr+/vasF3LTBOb/m1Sywunx2PBalebhnb3s7Dgvg12hVSgV41zo2L NrGy+7rBLzenk0OT9Ac4wF3z97hxL7c9a+LRySjlmFyW9cbPcDku05lRNFe8rfAGGicR qGjY7MYILlYWwOOBvBwR8hv+s+ibN+HRGpqCZcIA/vj+6BS2+iI5qN564jywfL/ZgK6G exDyVO+Bnv2bXJlNFPcLFvcFR1DneMPzgSYvaNv/sDgKPr7r8L9vv9z1x4vtV35vUQRC Et+np3x1KUU92JnQL3Citvd46//dJahb+b03wSLPn/TxtEYMePQSXiabUiHd2szWsNiY Gc3Q== In-Reply-To: <1438547024-23497-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: axboe@kernel.dk, hannes@cmpxchg.org, lizefan@huawei.com Cc: linux-kernel@vger.kernel.org, vgoyal@redhat.com, avanzini.arianna@gmail.com, cgroups@vger.kernel.org, kernel-team@fb.com, Tejun Heo While cgroup subsystems can't be modules, blkcg supports dynamically loadable policies which interact with cgroup core. Export cgrp_dfl_root so that cgroup_on_dfl() can be used in those modules. Signed-off-by: Tejun Heo Cc: Li Zefan Cc: Johannes Weiner --- kernel/cgroup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 1276569..9c8eb17 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -145,6 +145,7 @@ static const char *cgroup_subsys_name[] = { * part of that cgroup. */ struct cgroup_root cgrp_dfl_root; +EXPORT_SYMBOL_GPL(cgrp_dfl_root); /* * The default hierarchy always exists but is hidden until mounted for the -- 2.4.3