From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 E93AF17BA6; Mon, 16 Jun 2025 05:40:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750052441; cv=none; b=nBumbYhLWcu98Y7ExxtFhN3OL1URwxGVnhmDV+tO5+RsLWoI7LLXVGADh5ue3D52bHctt3iH+0yY74aBN6dz4MkSxSSwA52iT71RSmEkKADmaLeJ551WIDRM5KL+gIHeB7bbJNb7RAN6OBgmFQOetsW2hhJYAoPhBOtMb0dbYkQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750052441; c=relaxed/simple; bh=zM9L3jCsYS9otA53EROIFxm91VKU6Dqzm/0PSoIh4Kk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qjUv0BHd6jCmMrjL+w4YA6TepB5qV805W7wDd9K7ykrtkCdE24emn3xEDhoyteF8goTK3sucnu94QKwlX5rEn0ArTEJXXGn5DSdhlSE12NnboG498PiLWh5WKed6pdbjswGUdjAnGEkqmSzOIOm3r9YICaqgQTOhRNgFWTdYE58= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 2157468BFE; Mon, 16 Jun 2025 07:40:35 +0200 (CEST) Date: Mon, 16 Jun 2025 07:40:34 +0200 From: Christoph Hellwig To: Pankaj Raghav Cc: Suren Baghdasaryan , Ryan Roberts , Mike Rapoport , Michal Hocko , Thomas Gleixner , Nico Pache , Dev Jain , Baolin Wang , Borislav Petkov , Ingo Molnar , "H . Peter Anvin" , Vlastimil Babka , Zi Yan , Dave Hansen , David Hildenbrand , Lorenzo Stoakes , Andrew Morton , "Liam R . Howlett" , Jens Axboe , linux-kernel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org, x86@kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, "Darrick J . Wong" , mcgrof@kernel.org, gost.dev@samsung.com, kernel@pankajraghav.com, hch@lst.de Subject: Re: [PATCH 0/5] add STATIC_PMD_ZERO_PAGE config option Message-ID: <20250616054034.GA1559@lst.de> References: <20250612105100.59144-1-p.raghav@samsung.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250612105100.59144-1-p.raghav@samsung.com> User-Agent: Mutt/1.5.17 (2007-11-01) Just curious: why doesn't this series get rid of the iomap zero_page, which would be really low hanging fruit?