From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: Re: [PATCH] mm, memcg: Add memory.transparent_hugepage_disabled Date: Tue, 24 Mar 2020 15:17:58 +0300 Message-ID: <20200324121758.paxxthsi2f4hngfa@box> References: <1585045916-27339-1-git-send-email-teawater@gmail.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=1SPUCMMR/pnomJcGWLTMgKFX0vHSGUAZoz9GUYMTj4o=; b=tilrUvK9V7AIYx6emcjcWpLXFQEyHa+05bdQDIoIywZX2y3SMoEqBFiAybQqeaoQmH qCW38SL4fJ5VBAOb8iFlk///0sNWC25UhpYQQWKRgBijygrHu0xvBAtqsphh+EUTl/O2 G/N7sSiUT0spzki5rmzIRfzFDkF3rhztgtSZFIbBY7oBrWXTwy66j+A3LVnCQDsi7qDk /Mt7MYFlctk0gdfk6O3vSL+Tj6CY4O0eXlyiZi2ju9Ktl4TK6O0hsWQBgPzPB8PW2grU HFeLO7sow8tEfwRFWJ+cSErDCMq4U85TpHZyFV3YvgQJyUfiAMty/XMOrODGeLxAgSoU xXgg== Content-Disposition: inline In-Reply-To: <1585045916-27339-1-git-send-email-teawater@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Hui Zhu Cc: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, akpm@linux-foundation.org, hughd@google.com, yang.shi@linux.alibaba.com, dan.j.williams@intel.com, aneesh.kumar@linux.ibm.com, sean.j.christopherson@intel.com, thellstrom@vmware.com, guro@fb.com, shakeelb@google.com, chris@chrisdown.name, tj@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, Hui Zhu On Tue, Mar 24, 2020 at 06:31:56PM +0800, Hui Zhu wrote: > /sys/kernel/mm/transparent_hugepage/enabled is the only interface to > control if the application can use THP in system level. No. We have prctl(PR_SET_THP_DISABLE) too. -- Kirill A. Shutemov