[PATCH v1] video: hyperv_fb: include vmalloc.h

hvfb_getmem uses vzalloc, therefore vmalloc.h should be included.

Fixes commit d21987d709e807ba7bbf47044deb56a3c02e8be4 ("video: hyperv:
hyperv_fb: Support deferred IO for Hyper-V frame buffer driver")

Signed-off-by: Olaf Hering <redacted>
---
 drivers/video/fbdev/hyperv_fb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index e36fb1a0ecdb..5bc86f481a78 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c

@@ -47,6 +47,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/vmalloc.h>
 #include <linux/init.h>
 #include <linux/completion.h>
 #include <linux/fb.h>