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[23.128.96.18]) by mx.google.com with ESMTP id e12si10087659eje.644.2020.11.30.08.08.29; Mon, 30 Nov 2020 08:08:53 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=FSVymrrD; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726977AbgK3QEL (ORCPT + 99 others); Mon, 30 Nov 2020 11:04:11 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:49588 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726186AbgK3QEK (ORCPT ); Mon, 30 Nov 2020 11:04:10 -0500 Date: Mon, 30 Nov 2020 17:03:27 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1606752208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ejan0ZhOEyu24ceXv5BOSGhFsREBbTH/zgUcOvbllg4=; b=FSVymrrDth2W0Dp+JPGfOwSJA9g4kbVoicUl59VyXLLMIvLS0eRBDlABMCoKDTsOM08HFe OFy4dsAqyBy9mHWwkSBLrL1Bzs/HHhQ8M2eDiTdRdhb15kcqzO3rjq6IehHS0mL/MrZSa2 oQxRTpuV8vHLQUyAdRfswC5ExlgCwmRYy322dcO/rMO5Iyg3sjJ7ZwzoAdMyqaJm7IkxFX IoX2ThEj3aOLeU9F8Qeob4hJQDdj1Qj76QsCIqxs4flXV+u0d974lfaHN4hl6o8GqZR6pZ FmrVjx69snzK2PQQa+BkTijNAMGhztuDEx/CIDgcKBbeG7rj6HO4SC9p3i4hTw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1606752208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ejan0ZhOEyu24ceXv5BOSGhFsREBbTH/zgUcOvbllg4=; b=xnIkAsom+XVLu1yiw07BqQZp4yZKX5MEpF9EqzS/lUBexaGmk+YvJIGbFF7QwZNevTEOfI kgv8EdBiamEVYYCw== From: Sebastian Andrzej Siewior To: Mike Galbraith Cc: Oleksandr Natalenko , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Steven Rostedt , Thomas Gleixner , linux-rt-users@vger.kernel.org Subject: Re: scheduling while atomic in z3fold Message-ID: <20201130160327.ov32m4rapk4h432a@linutronix.de> References: <15171df044b167351e7f6a688aabd71bade9ae2a.camel@gmx.de> <79ee43026efe5aaa560953ea8fe29a826ac4e855.camel@gmx.de> <20201129112922.db53kmtpu76xxukj@spock.localdomain> <90c4857c53b657147bfb71a281ece9839b0373c2.camel@gmx.de> <20201130132014.mlvxeyiub3fpwyw7@linutronix.de> <856b5cc2a3d4eb673743b52956bf1e60dcdf87a1.camel@gmx.de> <20201130145229.mhbkrfuvyctniaxi@linutronix.de> <05121515e73891ceb9e5caf64b6111fc8ff43fab.camel@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <05121515e73891ceb9e5caf64b6111fc8ff43fab.camel@gmx.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-11-30 16:01:11 [+0100], Mike Galbraith wrote: > On Mon, 2020-11-30 at 15:52 +0100, Sebastian Andrzej Siewior wrote: > > How do you test this? I triggered a few oom-killer and I have here git > > gc running for a few hours now=E2=80=A6 Everything is fine. >=20 > In an LTP install, ./runltp -f mm. Shortly after box starts swapping > insanely, it explodes quite reliably here with either z3fold or > zsmalloc.. but not with zbud. This just passed. It however killed my git-gc task which wasn't done. Let me try tomorrow with your config. > -Mike Sebastian