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[209.85.220.65]) by mx.google.com with SMTPS id x3sor7124295wmk.9.2019.04.01.22.57.14 for (Google Transport Security); Mon, 01 Apr 2019 22:57:14 -0700 (PDT) Received-SPF: pass (google.com: domain of adobriyan@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=tqmK2RHc; spf=pass (google.com: domain of adobriyan@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=adobriyan@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=zqPIMCgjn4CkXkrOXkctLP/edN2VdhXVbKkBnLc+HsA=; b=tqmK2RHchbJBdh3gll7YSfmeW2ub6TrZddm2YjQmhLQNH4If1OhorWGGMXofvmvsZx zw2DlxUEmiizXcMQYCNSmiiFnKjxbxu3YlCitgt6sfnbBEnWKObHhPssxgle8aZ5sF4z MvxhmpYRsDHvoyEw0wy/v1ENPxvSEA9tsWKM3u4pm9kD08II/3mjVUxOwCc1jN6AM7Sh 6AapNigbZ5JWvsS0s1FcOIZkih3nTLp9hT2wvyehxn+pqyTdlP95gQh/fY6BfvqR0nkW Sr78sMUy0wHGCSkLwMR3SvLBWFqgAgImzjX0buaAWN1nagR/7zTqL9nJqo0dRyjOePs2 znAA== X-Google-Smtp-Source: APXvYqyeOJBVAsa/o0RTnTneAibpA3f2Qioi2K4yCMqb4SgWlDBd+lG6pi3Sb3nwL7RHAjNv/Hw3PQ== X-Received: by 2002:a1c:38b:: with SMTP id 133mr2099803wmd.26.1554184634475; Mon, 01 Apr 2019 22:57:14 -0700 (PDT) Received: from avx2 ([46.53.240.21]) by smtp.gmail.com with ESMTPSA id i18sm13080066wrm.7.2019.04.01.22.57.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 01 Apr 2019 22:57:13 -0700 (PDT) Date: Tue, 2 Apr 2019 08:57:11 +0300 From: Alexey Dobriyan To: Andrew Morton Cc: linux-mm@kvack.org Subject: Re: [PATCH] Bump vm.mmap_min_addr on 64-bit Message-ID: <20190402055711.GA3078@avx2> References: <20190401050613.GA16287@avx2> <20190401160559.6e945d8d235ae16006702bfc@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190401160559.6e945d8d235ae16006702bfc@linux-foundation.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000208, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Apr 01, 2019 at 04:05:59PM -0700, Andrew Morton wrote: > On Mon, 1 Apr 2019 08:06:13 +0300 Alexey Dobriyan wrote: > > > No self respecting 64-bit program should ever touch that lowly 32-bit > > part of address space. > Gee. Do we have any idea what effect this will have upon all userspace > programs, some of which do inexplicably weird things? > > What's the benefit? Note the date :^)