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[209.85.220.65]) by mx.google.com with SMTPS id n5sor701248otk.42.2019.05.07.13.38.54 for (Google Transport Security); Tue, 07 May 2019 13:38:54 -0700 (PDT) Received-SPF: pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@intel-com.20150623.gappssmtp.com header.s=20150623 header.b=n2cLf9Qv; spf=pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=dan.j.williams@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=6pfRHejW3cZFOE77y3IUUX4go4AGbYiRoY6juBt94WE=; b=n2cLf9QvpatFw6Fx6Im50C3lqxaAWG43jr2hC2ev1xZpfJ6J8FUzxhXEUavTl94SZm SVHlKHKIcM/ZhfovCw4MijKPgzW/E+HLz4qZ175x7tfNV+dQC05A0tETwYssL7clan9W UsEpcZNB+TJeQSbZEqorEcfiOUdbu+Sy8m9YAZ3S+el0grhl2bD78JddE66O4Q+1avuY KR225hZ12kjGn4PRHpeZLqKoFnuS+tJCq4z76VyCpIv4O/vr+Au5mfwKYyPGTxiEapDr R3GKFkX289EisuP8nBoU3VOoPxvd3l0FVJ+ulJz6IltOlc4nobKQXXstnEsx5ZFdmsTb rEdA== X-Google-Smtp-Source: APXvYqyoyS46mGkeS8xfe2+s5llXVwHTTrq4TjXi1ZN6I2Su0aHjvxJMNj2Psjrwn9yCamOWlD6+DD7mFrLZ6kZfD1Q= X-Received: by 2002:a9d:5cc1:: with SMTP id r1mr21322434oti.229.1557261534468; Tue, 07 May 2019 13:38:54 -0700 (PDT) MIME-Version: 1.0 References: <20190507183804.5512-1-david@redhat.com> <20190507183804.5512-2-david@redhat.com> In-Reply-To: <20190507183804.5512-2-david@redhat.com> From: Dan Williams Date: Tue, 7 May 2019 13:38:43 -0700 Message-ID: Subject: Re: [PATCH v2 1/8] mm/memory_hotplug: Simplify and fix check_hotplug_memory_range() To: David Hildenbrand Cc: Linux MM , Linux Kernel Mailing List , linux-ia64@vger.kernel.org, linuxppc-dev , linux-s390 , Linux-sh , Andrew Morton , Oscar Salvador , Michal Hocko , Pavel Tatashin , Qian Cai , Wei Yang , Arun KS , Mathieu Malaterre Content-Type: text/plain; charset="UTF-8" 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, May 7, 2019 at 11:38 AM David Hildenbrand wrote: > > By converting start and size to page granularity, we actually ignore > unaligned parts within a page instead of properly bailing out with an > error. > > Cc: Andrew Morton > Cc: Oscar Salvador > Cc: Michal Hocko > Cc: David Hildenbrand > Cc: Pavel Tatashin > Cc: Qian Cai > Cc: Wei Yang > Cc: Arun KS > Cc: Mathieu Malaterre > Signed-off-by: David Hildenbrand Reviewed-by: Dan Williams