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[71.184.117.43]) by smtp.gmail.com with ESMTPSA id u43sm5579373qte.19.2019.10.11.16.52.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Oct 2019 16:52:49 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH] hugetlb: Add nohugepages parameter to prevent hugepages creation Date: Fri, 11 Oct 2019 19:52:48 -0400 Message-Id: <4641B95A-6DD8-4E8A-AD53-06E7B72D956C@lca.pw> References: Cc: linux-mm@kvack.org, mike.kravetz@oracle.com, linux-kernel@vger.kernel.org, Jay Vosburgh , "Guilherme G. Piccoli" In-Reply-To: To: Guilherme Piccoli X-Mailer: iPhone Mail (17A860) X-Bogosity: Ham, tests=bogofilter, spamicity=0.007252, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Oct 11, 2019, at 7:42 PM, Guilherme Piccoli wr= ote: >=20 > Thanks for the quick response. Kdump in Ubuntu, for example, rely in > mounting the root filesystem. > Even in initrd-only approaches, we could have sysctl.conf being copied > to initramfs, and hugepages end-up getting set. It simply error-prone to reuse the sysctl.conf from the first kernel, as it c= ould contains lots of things that will kill kdump kernel.=