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[140.211.169.12]) by mx.google.com with ESMTPS id f9si14985809pgv.475.2019.04.23.12.01.45 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Apr 2019 12:01:45 -0700 (PDT) Received-SPF: pass (google.com: domain of akpm@linux-foundation.org designates 140.211.169.12 as permitted sender) client-ip=140.211.169.12; Authentication-Results: mx.google.com; spf=pass (google.com: domain of akpm@linux-foundation.org designates 140.211.169.12 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org Received: from localhost.localdomain (c-73-223-200-170.hsd1.ca.comcast.net [73.223.200.170]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 52444E1A; Tue, 23 Apr 2019 19:01:45 +0000 (UTC) Date: Tue, 23 Apr 2019 12:01:43 -0700 From: Andrew Morton To: Andrey Ryabinin Cc: Mel Gorman , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] mm/page_alloc: fix never set ALLOC_NOFRAGMENT flag Message-Id: <20190423120143.f555f77df02a266ba2a7f1fc@linux-foundation.org> In-Reply-To: <20190423120806.3503-2-aryabinin@virtuozzo.com> References: <20190423120806.3503-1-aryabinin@virtuozzo.com> <20190423120806.3503-2-aryabinin@virtuozzo.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, 23 Apr 2019 15:08:06 +0300 Andrey Ryabinin wrote: > Commit 0a79cdad5eb2 ("mm: use alloc_flags to record if kswapd can wake") > removed setting of the ALLOC_NOFRAGMENT flag. Bring it back. What are the runtime effects of this fix?