From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f54.google.com (mail-pa0-f54.google.com [209.85.220.54]) by kanga.kvack.org (Postfix) with ESMTP id 891356B0253 for ; Tue, 13 Oct 2015 22:34:25 -0400 (EDT) Received: by padcn9 with SMTP id cn9so7961570pad.2 for ; Tue, 13 Oct 2015 19:34:25 -0700 (PDT) Received: from mail-pa0-x230.google.com (mail-pa0-x230.google.com. [2607:f8b0:400e:c03::230]) by mx.google.com with ESMTPS id z5si9466547pbt.98.2015.10.13.19.34.24 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Oct 2015 19:34:24 -0700 (PDT) Received: by pabrc13 with SMTP id rc13so39058866pab.0 for ; Tue, 13 Oct 2015 19:34:24 -0700 (PDT) Date: Tue, 13 Oct 2015 19:34:23 -0700 (PDT) From: David Rientjes Subject: Re: [PATCH V2] mm, page_alloc: reserve pageblocks for high-order atomic allocations on demand -fix In-Reply-To: <1444700544-22666-1-git-send-email-yalin.wang2010@gmail.com> Message-ID: References: <1444700544-22666-1-git-send-email-yalin.wang2010@gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: yalin wang Cc: akpm@linux-foundation.org, vbabka@suse.cz, mgorman@techsingularity.net, mhocko@suse.com, js1304@gmail.com, kirill.shutemov@linux.intel.com, hannes@cmpxchg.org, alexander.h.duyck@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org On Tue, 13 Oct 2015, yalin wang wrote: > There is a redundant check and a memory leak introduced by a patch in > mmotm. This patch removes an unlikely(order) check as we are sure order > is not zero at the time. It also checks if a page is already allocated > to avoid a memory leak. > > This is a fix to the mmotm patch > mm-page_alloc-reserve-pageblocks-for-high-order-atomic-allocations-on-demand.patch > > Signed-off-by: yalin wang > Acked-by: Mel Gorman Acked-by: David Rientjes Cool find! -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org