From f88eb0d245a3d74911020b6f1cce907e2b034dcb Mon Sep 17 00:00:00 2001
From: Chinwen Chang <chinwen.chang@mediatek.com>
Date: Thu, 20 May 2021 10:31:03 +0800
Subject: [PATCH] ANDROID: android: Add nr_swap_pages to debug_symbols driver

Add nr_swap_pages symbol which will be used by the memory
profiling module to debug_symbols driver.

Bug: 149040612
Change-Id: I444e53046cf83c91899360e82f817d38cd4fba40
Signed-off-by: Chinwen Chang <chinwen.chang@mediatek.com>
---
 drivers/android/debug_symbols.c       | 4 ++++
 include/linux/android_debug_symbols.h | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/drivers/android/debug_symbols.c b/drivers/android/debug_symbols.c
index 2ce0bfc51421..61e55575ed5f 100644
--- a/drivers/android/debug_symbols.c
+++ b/drivers/android/debug_symbols.c
@@ -15,6 +15,7 @@
 #include "../../mm/slab.h"
 #include <linux/memblock.h>
 #include <linux/page_owner.h>
+#include <linux/swap.h>
 
 struct ads_entry {
 	char *name;
@@ -55,6 +56,9 @@ static const struct ads_entry ads_entries[ADS_END] = {
 #ifdef CONFIG_SLUB_DEBUG
 	ADS_ENTRY(ADS_SLUB_DEBUG, &slub_debug),
 #endif
+#ifdef CONFIG_SWAP
+	ADS_ENTRY(ADS_NR_SWAP_PAGES, &nr_swap_pages),
+#endif
 };
 
 /*
diff --git a/include/linux/android_debug_symbols.h b/include/linux/android_debug_symbols.h
index a68636bba186..3fc44fb36fb7 100644
--- a/include/linux/android_debug_symbols.h
+++ b/include/linux/android_debug_symbols.h
@@ -26,6 +26,9 @@ enum android_debug_symbol {
 #endif
 #ifdef CONFIG_SLUB_DEBUG
 	ADS_SLUB_DEBUG,
+#endif
+#ifdef CONFIG_SWAP
+	ADS_NR_SWAP_PAGES,
 #endif
 	ADS_END
 };