From af699fd6a21c46be1764ddf04c577e26fdba2687 Mon Sep 17 00:00:00 2001
From: Peifeng Li <lipeifeng@oppo.com>
Date: Tue, 25 Oct 2022 17:20:35 +0800
Subject: [PATCH] ANDROID: vendor_hook: skip trace_android_vh_page_trylock_set
 when ignore_references is true

Avoid async-reclaim to cause to reclaim-delay when ignore_references is true.

Bug: 240003372
Signed-off-by: Peifeng Li <lipeifeng@oppo.com>
Change-Id: Iaf50bd4ac53f748da0dac93324c6d94de11e01e9
---
 mm/vmscan.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index ea87d599199e..5f63e7d30bca 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1352,8 +1352,8 @@ static unsigned int shrink_page_list(struct list_head *page_list,
 
 			if (unlikely(PageTransHuge(page)))
 				flags |= TTU_SPLIT_HUGE_PMD;
-
-			trace_android_vh_page_trylock_set(page);
+			if (!ignore_references)
+				trace_android_vh_page_trylock_set(page);
 			if (!try_to_unmap(page, flags)) {
 				stat->nr_unmap_fail += nr_pages;
 				if (!was_swapbacked && PageSwapBacked(page))