From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C5D3C4360C for ; Wed, 2 Oct 2019 21:23:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 204FE218DE for ; Wed, 2 Oct 2019 21:23:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=android.com header.i=@android.com header.b="bNDdQgB1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729511AbfJBVXM (ORCPT ); Wed, 2 Oct 2019 17:23:12 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:35859 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728967AbfJBVXM (ORCPT ); Wed, 2 Oct 2019 17:23:12 -0400 Received: by mail-pf1-f195.google.com with SMTP id y22so296412pfr.3 for ; Wed, 02 Oct 2019 14:23:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=android.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gkWD3FKbpCaOmlNmSaWAbFMYVFKw7GUZL8P7zrFBNqw=; b=bNDdQgB1uj+hDptnsbMFd59gnpNWR4vY0/rGDWxRSZe+7SPnTYVU83wv2B3aAW15Hq StO8G/DST6AQmmlP5rEye2vkKzHCaLS+rDDb6yQ8CxwYyxjBWOCt8nE2Mg96EVRcXHK1 qcoxrjXlUKY5CkT20yAWGWdCXiJLSy6+nErDCRr6rmNH6R7XHvAx0hs6z4RLkuQHE5GW HBXbnNdUz62+Y4QBAI0DpToAg8/WmZsdEdsSFalCXR/OpmZYg06AL0bxURTAYWJQJYDu TczibJyc4uxD47jqI7+iWcK23IlUcyBxO5VaSMCcm28yZVml06jXRAaZ4VOnWl1aVQ3P Z9nw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=gkWD3FKbpCaOmlNmSaWAbFMYVFKw7GUZL8P7zrFBNqw=; b=Y7i42KgmA/iZfX0j7gp6MU6XNcYAOJ0H1BF/zBv5djDmFvCbD+nnbTHoL7FaL20hwi hsfuYV2DD4ekmsBImdeHT5Kt7qY1SsNXnET361dRQcLwcBXnVC/zWFp5e23k8SzbEuKx das+ARW7QDM6EqO2sRnTArfq5opG1fNvkJAAYVXZ5ygXKUxHhjGwvizd90unhu9QS0re 86ZmDxcV8S0H5NMKwwR9nKPanKtRWknct0O+ZaNZje2bYpGeeFlPGtwmAxodu22JSvyd lvssjbjMO/bIdqU06d712mzqM0zddVYjb3NXonrHegkRXJ+GuAaaFra4sNOKWdSCdL3X 1YYQ== X-Gm-Message-State: APjAAAXyGLmQOdR2VfGEkOksKGizjsZWa1GHqtLP0xGv6teB48Qwi+Le lFju5qPadnA2LAaF4QmA7iqsrEcehDSOhg== X-Google-Smtp-Source: APXvYqzO0DSoowzhXSE00O5GdA1VH41PU6/vpYojcKIASrsGipsud0fd1iiHtjmW/PZKRsSyOaET9g== X-Received: by 2002:a63:1e1e:: with SMTP id e30mr5528008pge.405.1570051388864; Wed, 02 Oct 2019 14:23:08 -0700 (PDT) Received: from nebulus.mtv.corp.google.com ([2620:15c:211:200:5404:91ba:59dc:9400]) by smtp.gmail.com with ESMTPSA id j22sm297855pgg.16.2019.10.02.14.23.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2019 14:23:08 -0700 (PDT) From: Mark Salyzyn To: linux-kernel@vger.kernel.org Cc: kernel-team@android.com, Mark Salyzyn , Andrew Morton , Yue Hu , Mike Rapoport , Catalin Marinas , Will Deacon , Thomas Gleixner , Ryohei Suzuki , Doug Berger , Andrey Konovalov , Peng Fan , linux-mm@kvack.org Subject: [PATCH] mm: export cma alloc and release Date: Wed, 2 Oct 2019 14:22:48 -0700 Message-Id: <20191002212257.196849-1-salyzyn@android.com> X-Mailer: git-send-email 2.23.0.581.g78d2f28ef7-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some drivers can not be turned into a module without cma_alloc and cma_release exported. Examples include ion, and we also found some out of tree infiniband and camera drivers. Signed-off-by: Mark Salyzyn Cc: kernel-team@android.com Cc: linux-kernel@vger.kernel.org --- mm/cma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/cma.c b/mm/cma.c index 7fe0b8356775..65d830eea3b1 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -500,6 +500,7 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align, pr_debug("%s(): returned %p\n", __func__, page); return page; } +EXPORT_SYMBOL_GPL(cma_alloc); /** * cma_release() - release allocated pages @@ -533,6 +534,7 @@ bool cma_release(struct cma *cma, const struct page *pages, unsigned int count) return true; } +EXPORT_SYMBOL_GPL(cma_release); int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data) { -- 2.23.0.581.g78d2f28ef7-goog