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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 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: 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) {