From 3efde2bdaa8bf41ce328ee41ba788c9aca813525 Mon Sep 17 00:00:00 2001
From: Charan Teja Reddy <charante@codeaurora.org>
Date: Fri, 20 Nov 2020 20:59:38 +0530
Subject: [PATCH] mem-offline: increment the NR_ISOLATED_ANON stat properly

Increment NR_ISOLATED_ANON when isolate a page so that the same is
decremented when the page migration is successful or when adding pages
back to the lru.

Change-Id: I6879c0029342560496b79d649a77283c767ab08e
Fixes: aa3fa08df429 ("mem-offline: improve the effective utilization of movable zone")
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
---
 drivers/soc/qcom/mem-offline.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/soc/qcom/mem-offline.c b/drivers/soc/qcom/mem-offline.c
index fec183024481..fa5a912149b7 100644
--- a/drivers/soc/qcom/mem-offline.c
+++ b/drivers/soc/qcom/mem-offline.c
@@ -8,6 +8,7 @@
 #include <linux/memblock.h>
 #include <linux/mmu_context.h>
 #include <linux/mmzone.h>
+#include <linux/mm_inline.h>
 #include <linux/ktime.h>
 #include <linux/of.h>
 #include <linux/proc_fs.h>
@@ -538,6 +539,8 @@ static unsigned long get_anon_movable_pages(
 		ret = isolate_lru_page(page);
 		if (!ret) {
 			list_add_tail(&page->lru, list);
+			inc_node_page_state(page, NR_ISOLATED_ANON +
+					page_is_file_cache(page));
 			++fc->nr_migrate_pages;
 		}