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 0115B4A01 for ; Thu, 13 Feb 2025 00:09:57 +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=1739405398; cv=none; b=CzndrHtp2V8CRMQhgxigz87rJ6NcBgpF+MeIr3OaL3bpEhlAfqHcOjHKrz141zktpKMAcB2my+lAqDZ1sZQEyKOMMUfiD8f1auQpWNJ9t6lOwVvHINDg+pOC/TZWyMAuf58jHt9NDVLqQcizvvL46fvu2aohbJuBZwpA9J0gsQI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739405398; c=relaxed/simple; bh=W+6JVy/Yr08AKhdPCEqUUiMejboNNHm9HKHg7t8R0rQ=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=OKOwa1FOWJt5000WNgJtbJ49prBqGF91RSlUhNHC6iDDOBg0uExdrqIUdhCodf3vDCcI623KHP/8b6A0a5Klrx/oLUk95rW567fLcyFgoLPD3PyTfWO14mpIAhf57boTZW4Zwd+sBzGu1R+FvzYhQbPt71wCvlmbP7XCR13/oVQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=eEuCi3Pp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="eEuCi3Pp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 462C3C4CEDF; Thu, 13 Feb 2025 00:09:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1739405397; bh=W+6JVy/Yr08AKhdPCEqUUiMejboNNHm9HKHg7t8R0rQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=eEuCi3Ppf3cCDocwnnreieMvJ01hjMCDynekw6cgXFCg5raNVlXdCv+arMHgzna/C 4cTDFIRk0D79AhSk3m9XNSCI0kMZkpBJhv8kECPUGtWHH4kGUH4DEfH7g5B8UQvUDv ozKDJxFxtPSuuj3Jr1Mh6PPz8CclUZLcalOcfnXY= Date: Wed, 12 Feb 2025 16:09:56 -0800 From: Andrew Morton To: Sergey Senozhatsky Cc: Yosry Ahmed , Kairui Song , Minchan Kim , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 00/18] zsmalloc/zram: there be preemption Message-Id: <20250212160956.8bc390876af3c6669b8031d2@linux-foundation.org> In-Reply-To: <20250212063153.179231-1-senozhatsky@chromium.org> References: <20250212063153.179231-1-senozhatsky@chromium.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 12 Feb 2025 15:26:58 +0900 Sergey Senozhatsky wrote: > First, zsmalloc is converted to use sleepable RW-"lock" (it's atomic_t > in fact) for zspage migration protection. This sentence is stale?