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Mon, 08 Jun 2020 07:53:40 -0400 X-MC-Unique: 9R4K2aNcMIS4HvUai__Wmw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C4F0E1005510; Mon, 8 Jun 2020 11:53:33 +0000 (UTC) Received: from [10.36.113.136] (ovpn-113-136.ams2.redhat.com [10.36.113.136]) by smtp.corp.redhat.com (Postfix) with ESMTP id 231AE2B476; Mon, 8 Jun 2020 11:53:23 +0000 (UTC) Subject: Re: [PATCH v15 01/14] mm/page_ext: Export lookup_page_ext() to GPL modules To: SeongJae Park , akpm@linux-foundation.org Cc: SeongJae Park , Jonathan.Cameron@Huawei.com, aarcange@redhat.com, acme@kernel.org, alexander.shishkin@linux.intel.com, amit@kernel.org, benh@kernel.crashing.org, brendan.d.gregg@gmail.com, brendanhiggins@google.com, cai@lca.pw, colin.king@canonical.com, corbet@lwn.net, dwmw@amazon.com, foersleo@amazon.de, irogers@google.com, jolsa@redhat.com, kirill@shutemov.name, mark.rutland@arm.com, mgorman@suse.de, minchan@kernel.org, mingo@redhat.com, namhyung@kernel.org, peterz@infradead.org, rdunlap@infradead.org, riel@surriel.com, rientjes@google.com, rostedt@goodmis.org, sblbir@amazon.com, shakeelb@google.com, shuah@kernel.org, sj38.park@gmail.com, snu@amazon.de, vbabka@suse.cz, vdavydov.dev@gmail.com, yang.shi@linux.alibaba.com, ying.huang@intel.com, linux-damon@amazon.com, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200608114047.26589-1-sjpark@amazon.com> <20200608114047.26589-2-sjpark@amazon.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200608114047.26589-2-sjpark@amazon.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Rspamd-Queue-Id: F00E5100C0CC4 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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 08.06.20 13:40, SeongJae Park wrote: > From: SeongJae Park > > This commit exports 'lookup_page_ext()' to GPL modules. This will be > used by DAMON. > > Signed-off-by: SeongJae Park > Reviewed-by: Leonard Foerster > --- > mm/page_ext.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/mm/page_ext.c b/mm/page_ext.c > index a3616f7a0e9e..9d802d01fcb5 100644 > --- a/mm/page_ext.c > +++ b/mm/page_ext.c > @@ -131,6 +131,7 @@ struct page_ext *lookup_page_ext(const struct page *page) > MAX_ORDER_NR_PAGES); > return get_entry(base, index); > } > +EXPORT_SYMBOL_GPL(lookup_page_ext); > > static int __init alloc_node_page_ext(int nid) > { > I've been told to always smuggle new EXPORTs into the patch that actually needs it (and cc relevant people on that patch instead). -- Thanks, David / dhildenb