From: Mark Salyzyn <salyzyn@android.com>
To: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com, Mark Salyzyn <salyzyn@android.com>,
Andrew Morton <akpm@linux-foundation.org>,
Yue Hu <huyue2@yulong.com>, Mike Rapoport <rppt@linux.ibm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ryohei Suzuki <ryh.szk.cmnty@gmail.com>,
Doug Berger <opendmb@gmail.com>,
Andrey Konovalov <andreyknvl@google.com>,
Peng Fan <peng.fan@nxp.com>,
linux-mm@kvack.org
Subject: [PATCH] mm: export cma alloc and release
Date: Wed, 2 Oct 2019 14:22:48 -0700 [thread overview]
Message-ID: <20191002212257.196849-1-salyzyn@android.com> (raw)
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 <salyzyn@android.com>
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
next reply other threads:[~2019-10-02 21:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-02 21:22 Mark Salyzyn [this message]
2019-10-03 8:55 ` [PATCH] mm: export cma alloc and release Catalin Marinas
2019-10-05 8:37 ` Christoph Hellwig
2019-10-07 16:50 ` Mark Salyzyn
2019-10-07 16:53 ` Christoph Hellwig
2019-10-07 17:06 ` Mark Salyzyn
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