From a97d21ab42d5a4d772c6180230bb37bbca550005 Mon Sep 17 00:00:00 2001
From: Sandeep Patil <sspatil@google.com>
Date: Fri, 13 Sep 2019 14:50:38 -0700
Subject: [PATCH] ANDROID: GKI: export cma symbols for cma heap as a module

Bug: 140294230
Test: builds

Change-Id: I04c12174934c24a704d5c1e5be3e7e948c777a78
Signed-off-by: Sandeep Patil <sspatil@google.com>
---
 mm/cma.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mm/cma.c b/mm/cma.c
index c22af5f8b8a3..583c27dedf86 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -24,6 +24,7 @@
 #include <linux/memblock.h>
 #include <linux/err.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/sizes.h>
 #include <linux/slab.h>
 #include <linux/log2.h>
@@ -53,6 +54,7 @@ const char *cma_get_name(const struct cma *cma)
 {
 	return cma->name;
 }
+EXPORT_SYMBOL_GPL(cma_get_name);
 
 static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,
 					     unsigned int align_order)
@@ -542,6 +544,7 @@ out:
 
 	return page;
 }
+EXPORT_SYMBOL_GPL(cma_alloc);
 
 bool cma_pages_valid(struct cma *cma, const struct page *pages,
 		     unsigned long count)
@@ -592,6 +595,7 @@ bool cma_release(struct cma *cma, const struct page *pages,
 
 	return true;
 }
+EXPORT_SYMBOL_GPL(cma_release);
 
 #ifdef CONFIG_NO_GKI
 unsigned long cma_used_pages(void)
@@ -626,3 +630,4 @@ int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(cma_for_each_area);