From 71d560e017415ead361cfc10cc50ef36a0545cc2 Mon Sep 17 00:00:00 2001
From: Peifeng Li <lipeifeng@oppo.com>
Date: Mon, 28 Feb 2022 15:25:30 +0800
Subject: [PATCH] ANDROID: vendor_hooks: export shrink_slab

Export shrink_slab to module for do shrink-memory action.

Bug: 221768451
Signed-off-by: Peifeng Li <lipeifeng@oppo.com>
Change-Id: I5abe9ad419d64999b714d879c228625a243e90d1
---
 mm/vmscan.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 46d8e65071d8..2f496b3f1e5f 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -670,7 +670,7 @@ static unsigned long shrink_slab_memcg(gfp_t gfp_mask, int nid,
  *
  * Returns the number of reclaimed slab objects.
  */
-static unsigned long shrink_slab(gfp_t gfp_mask, int nid,
+unsigned long shrink_slab(gfp_t gfp_mask, int nid,
 				 struct mem_cgroup *memcg,
 				 int priority)
 {
@@ -722,6 +722,7 @@ out:
 	cond_resched();
 	return freed;
 }
+EXPORT_SYMBOL_GPL(shrink_slab);
 
 void drop_slab_node(int nid)
 {