From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f197.google.com (mail-qk0-f197.google.com [209.85.220.197]) by kanga.kvack.org (Postfix) with ESMTP id EFE0A6B0022 for ; Mon, 2 Apr 2018 07:25:47 -0400 (EDT) Received: by mail-qk0-f197.google.com with SMTP id x188so10407484qkc.12 for ; Mon, 02 Apr 2018 04:25:47 -0700 (PDT) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id d184sor89193qka.47.2018.04.02.04.25.47 for (Google Transport Security); Mon, 02 Apr 2018 04:25:47 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20180401130607.GG13332@bombadil.infradead.org> References: <20180401130607.GG13332@bombadil.infradead.org> From: Hao Lee Date: Mon, 2 Apr 2018 19:25:46 +0800 Message-ID: Subject: Re: Why the kernel needs `split_mem_range` to split the physical address range? Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Matthew Wilcox Cc: linux-mm@kvack.org Hi, Matthew Many thanks for your prompt reply. Your explanation is very clear and easy to understand. It helps me a lot! Regards, Hao Lee