From 73cee741119b85488a53cbd134b4db4297ac0c6d Mon Sep 17 00:00:00 2001
From: Martin Liu <liumartin@google.com>
Date: Wed, 23 Jun 2021 12:20:18 +0800
Subject: [PATCH] ANDROID: vendor_hooks: Export direct reclaim trace points

Get direct reclaim info.

Bug: 190795589
Signed-off-by: Martin Liu <liumartin@google.com>
Change-Id: Ie66a3c87484a364a918c19b8e044c82f1afd6749
Signed-off-by: Jack Lee <liangjlee@google.com>
(cherry picked from commit d705ab99ab73b3dd4f2131d69277870d2f48163b)
---
 mm/vmscan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 001767ecf169..07f87fb42d42 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -73,6 +73,9 @@
 #undef CREATE_TRACE_POINTS
 #include <trace/hooks/vmscan.h>
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_end);
+
 struct scan_control {
 	/* How many pages shrink_list() should reclaim */
 	unsigned long nr_to_reclaim;