From 034877c19535441fb26f9004c1d3e5820eb8d350 Mon Sep 17 00:00:00 2001
From: Bing Han <bing.han@transsion.com>
Date: Fri, 10 Jun 2022 20:01:01 +0800
Subject: [PATCH] ANDROID: mm: export swapcache_free_entries

Export swapcache_free_entries to be used in the alternative function
android_vh_drain_slots_cache_cpu to swap entries in swap slot cache,
it's usage is similar to the usage in drain_slots_cache_cpu.

Bug: 234214858
Signed-off-by: Bing Han <bing.han@transsion.com>
Change-Id: Ia89b1728d540c5cc8995a939a918e12c23057266
---
 mm/swapfile.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index c06259a5b3bd..677f235806c2 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1488,6 +1488,7 @@ void swapcache_free_entries(swp_entry_t *entries, int n)
 	if (p)
 		spin_unlock(&p->lock);
 }
+EXPORT_SYMBOL_GPL(swapcache_free_entries);
 
 /*
  * How many references to page are currently swapped out?