We need to include <linux/vmalloc.h> in order for MIPS to find
vmap(), as it doesn't otherwise get included there.

Without this patch, one can hit the following build error:
  drivers/dma-buf/heaps/cma_heap.c: In function 'cma_heap_do_vmap':
  drivers/dma-buf/heaps/cma_heap.c:195:10: error: implicit declaration of 
function 'vmap'

Cc: Sumit Semwal <[email protected]>
Cc: Liam Mark <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Brian Starkey <[email protected]>
Cc: Hridya Valsaraju <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Sandeep Patil <[email protected]>
Cc: Daniel Mentz <[email protected]>
Cc: Chris Goldsworthy <[email protected]>
Cc: Ørjan Eide <[email protected]>
Cc: Robin Murphy <[email protected]>
Cc: Ezequiel Garcia <[email protected]>
Cc: Simon Ser <[email protected]>
Cc: James Jones <[email protected]>
Cc: [email protected]
Cc: [email protected]
Fixes: a5d2d29e24be ("dma-buf: heaps: Move heap-helper logic into the cma_heap 
implementation")
Reported-by: Guenter Roeck <[email protected]>
Signed-off-by: John Stultz <[email protected]>
---
 drivers/dma-buf/heaps/cma_heap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index 5e7c3436310c..3c4e34301172 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -20,6 +20,7 @@
 #include <linux/module.h>
 #include <linux/scatterlist.h>
 #include <linux/slab.h>
+#include <linux/vmalloc.h>
 
 
 struct cma_heap {
-- 
2.17.1

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