From 0db69258686618687ccba6fef65e1f5d602c7515 Mon Sep 17 00:00:00 2001
From: xieliujie <xieliujie@oppo.com>
Date: Thu, 11 Nov 2021 09:57:31 +0800
Subject: [PATCH] ANDROID: vendor_hooks: export get_wchan

Export get_wchan to get the block reason

Bug: 205684022
Signed-off-by: xieliujie <xieliujie@oppo.com>
Change-Id: I7b65bb502b805e7dac13e5f9d725da1ff70fe306
---
 arch/arm64/kernel/process.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 9a545ebc3661..52608dd0cdde 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -625,6 +625,7 @@ out:
 	put_task_stack(p);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(get_wchan);
 
 unsigned long arch_align_stack(unsigned long sp)
 {