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 6DFFD537FF; Wed, 9 Oct 2024 20:24:30 +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=1728505472; cv=none; b=WcE3JInD5H2u8Xi/fn6nAUvemJX9HnWCn/tuhzPMr8/QZOkq64WIj/hByn9x/exfgk3RRDcXMlJINHldOhA9LmjTEGyPNCQpLKyYHn6UbeCJV7FEZq57JSVEoRwhXKdKR5UQ5BG+Pg+EaG2lqxDrBqBqejfv5GrV8KriSRWr7DQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728505472; c=relaxed/simple; bh=Eajpzm9cUrzs//zMnCTfeMFhUIL/3eN5uDlR9BWdmqo=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=lho2JHfQ4A9pxxtrR41iBO9Z+JUYfiff3C9GU+7gzqZhCz6D+sOYWJnTw80+TGmddRfR7WEACPWORuS9h2BrzOjon+8qrH4T12eZYpjY/vVGsS0nA+lBsB9ZEdTzC2YBsOoNodUzyHbkv5yFSfUfupBhZzN6Pd4eXZfZwXeU7aA= 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=2qzkbhuA; 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="2qzkbhuA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D537EC4CECC; Wed, 9 Oct 2024 20:24:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1728505469; bh=Eajpzm9cUrzs//zMnCTfeMFhUIL/3eN5uDlR9BWdmqo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=2qzkbhuAMgino0DZ1hZZqBEMfexCBWtSiEWzzjILyq+cbaAjGfaWTcyToRrfMFDWm Pjg8qjtjvKxkLVmq5KcKfEzMazZd7B9b+cvi3EOmzQaV9Z6xen8oKafvJ4u9r6ZkXt owPHlRmA15/hxoqOKllm//ythdYQC4jZ89tWfNZw= Date: Wed, 9 Oct 2024 13:24:27 -0700 From: Andrew Morton To: Mike Rapoport Cc: Andreas Larsson , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Christoph Hellwig , Christophe Leroy , Dave Hansen , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Kent Overstreet , "Liam R. Howlett" , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Oleg Nesterov , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Russell King , Song Liu , Stafford Horne , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Uladzislau Rezki , Vineet Gupta , Will Deacon , bpf@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages Message-Id: <20241009132427.5c94fb5942bae3832446bca5@linux-foundation.org> In-Reply-To: <20241009180816.83591-8-rppt@kernel.org> References: <20241009180816.83591-1-rppt@kernel.org> <20241009180816.83591-8-rppt@kernel.org> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: sparclinux@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, 9 Oct 2024 21:08:15 +0300 Mike Rapoport wrote: > Using large pages to map text areas reduces iTLB pressure and improves > performance. Are there any measurable performance improvements? What are the effects of this series upon overall memory consumption? The lack of acks is a bit surprising for a v5 patch, but I'll add all this to mm.git for some testing, thanks.