From e064059673798b931f95f724c7e377fa8cd15df7 Mon Sep 17 00:00:00 2001
From: Bing Han <bing.han@transsion.com>
Date: Mon, 30 May 2022 16:39:40 +0800
Subject: [PATCH] ANDROID: create and export is_swap_slot_cache_enabled

Create and export a function is_swap_slot_cache_enabled
to check whether the swap slot cache can be used.

Bug: 234214858
Signed-off-by: Bing Han <bing.han@transsion.com>
Change-Id: Iaca9519b838e0c3c8c06acbec83003f8309aa363
---
 mm/swap_slots.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mm/swap_slots.c b/mm/swap_slots.c
index a200aafc0a36..1392649a4d9a 100644
--- a/mm/swap_slots.c
+++ b/mm/swap_slots.c
@@ -92,6 +92,12 @@ void reenable_swap_slots_cache_unlock(void)
 	mutex_unlock(&swap_slots_cache_enable_mutex);
 }
 
+bool is_swap_slot_cache_enabled(void)
+{
+	return swap_slot_cache_enabled;
+}
+EXPORT_SYMBOL_GPL(is_swap_slot_cache_enabled);
+
 bool check_cache_active(void)
 {
 	long pages;