From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 380E537143; Wed, 19 Jun 2024 16:29:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718814555; cv=none; b=RnCk+DoyDhiSXxNgguUGu0O287w/RVI3Y97duHU/CPzvUo3ciH42igYPTv0bTg8/ScsKExTLF4NeSBY8E5vaHOcc8f2JzSLBfNFGCITTHG9EKKN1bL4y7LCl48Z+AfanRJtIH17ayY3lTxu33ZttB7SqR0oduTuKjwpWiHSTCi0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718814555; c=relaxed/simple; bh=4x1eomS0LQNDb3AKsFIQZNZT+hgzq9kMPbg3bfdl1LQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=W/CEKvo26An9bxvdxrfDR9U+0FdjMCQ+stwZ6h29/5wnuZap3/K0FUMdWov/Ci25OZ+WZRMkPzWXNzjDqEVPdlLF1fMz6FxWJyH3i4OwmsTtwuKvDNFcFXqch9uOO4M8x7icK2+R2nbvKUEZNwhkCglomVHcGMqCcE4aPMttPjw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WIp3KKhj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WIp3KKhj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11A77C2BBFC; Wed, 19 Jun 2024 16:29:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718814554; bh=4x1eomS0LQNDb3AKsFIQZNZT+hgzq9kMPbg3bfdl1LQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WIp3KKhjO5r3csalUi6fG/bgE9DDSxqJ/PouWAFXyEnWmi5lJwwMo0aB7CM189wYR inF5OgCL1SpgGJK/9Yy2Z8L4lD6qZnuR0y2dxvl1bSOErwEuq62QBCGOMijq9oeVUz wqJx176j0kXgrF8gu2l/w16DQ3MNervLPRY3nk9b2Eh94HpQmyoJR1LOPn1MwjIVqV EZl7GNytgqEYG2aA53CPw3E2wueamrtDiYHyS2XvtG1MlDy/VqA4+kpUK9UzNbVwq7 Q3SG6+h/+OtAc8pRUK9qRSYuih4jciHYEyh5PpfjS46CeIS5ACITWFObM4VpISS02D MdzMDen12A/hw== From: SeongJae Park To: Xiu Jianfeng Cc: SeongJae Park , tj@kernel.org, lizefan.x@bytedance.com, hannes@cmpxchg.org, akpm@linux-foundation.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, m.szyprowski@samsung.com Subject: Re: [PATCH v3 -next] mm/hugetlb_cgroup: register lockdep key for cftype Date: Wed, 19 Jun 2024 09:29:10 -0700 Message-Id: <20240619162910.106034-1-sj@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240619015527.2212698-1-xiujianfeng@huawei.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Wed, 19 Jun 2024 01:55:27 +0000 Xiu Jianfeng wrote: > When CONFIG_DEBUG_LOCK_ALLOC is enabled, the following commands can > trigger a bug, > > mount -t cgroup2 none /sys/fs/cgroup > cd /sys/fs/cgroup > echo "+hugetlb" > cgroup.subtree_control [...] > > Fixes: e18df2889ff9 ("mm/hugetlb_cgroup: prepare cftypes based on template") > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-lkp/202406181046.8d8b2492-oliver.sang@intel.com > Signed-off-by: Xiu Jianfeng > > --- > v3: remove #ifdef CONFIG_DEBUG_LOCK_ALLOC in struct cftype I confirmed the issue is fixed. Tested-by: SeongJae Park Closes: https://lore.kernel.org/20240618233608.400367-1-sj@kernel.org [...] Thanks, SJ