From 128b8a7ad2886dc1adcca6028e012de821187b9f Mon Sep 17 00:00:00 2001
From: Elliot Berman <eberman@codeaurora.org>
Date: Wed, 7 Apr 2021 09:40:55 -0700
Subject: [PATCH] ANDROID: mm: cma: Add forward definition of cma in vendor
 hook

When compiling usermode linux, following error comes:

include/trace/hooks/mm.h:29:35: warning: 'struct cma' declared inside
parameter list

Add forward declaration of struct cma in trace/hooks/mm.h

Bug: 184732692
Fixes: commit c6e85ea56baa ("ANDROID: mm: cma: add vendor hoook in
cma_alloc()")
Change-Id: I650a5b2d7f96a4ecb2d338e3b46abed5ea98459f
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
---
 include/trace/hooks/mm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/trace/hooks/mm.h b/include/trace/hooks/mm.h
index 5bd3c5a2741c..d93ecdd22f19 100644
--- a/include/trace/hooks/mm.h
+++ b/include/trace/hooks/mm.h
@@ -13,6 +13,8 @@
 #include <linux/tracepoint.h>
 #include <trace/hooks/vendor_hooks.h>
 
+struct cma;
+
 DECLARE_RESTRICTED_HOOK(android_rvh_set_skip_swapcache_flags,
 			TP_PROTO(gfp_t *flags),
 			TP_ARGS(flags), 1);