commit 71d560e017415ead361cfc10cc50ef36a0545cc2
author Peifeng Li <lipeifeng@oppo.com> Mon Feb 28 15:25:30 2022 +0800
committer Todd Kjos <tkjos@google.com> Mon Mar 28 21:26:10 2022 +0000
tree 509dc6e1482b88a6dbce36c58085ea6b14ba1045
parent 74720dae8b02bd45816bea52ce7ba3144b469389

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

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 46d8e65..2f496b3 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 @@ static unsigned long shrink_slab(gfp_t gfp_mask, int nid,
 	cond_resched();
 	return freed;
 }
+EXPORT_SYMBOL_GPL(shrink_slab);
 
 void drop_slab_node(int nid)
 {