linux-kernel - [RFC PATCH v5 4/8] mm: Display inflated memory in logs

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Message-Id: <20221019095620.124909-5-alexander.atanasov@virtuozzo.com>
Date:   Wed, 19 Oct 2022 12:56:16 +0300
From:   Alexander Atanasov <alexander.atanasov@...tuozzo.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     kernel@...nvz.org,
        Alexander Atanasov <alexander.atanasov@...tuozzo.com>,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH v5 4/8] mm: Display inflated memory in logs

Add InflatedTotal and InflatedFree to show_mem(...) so
it is visible in the logs.

Signed-off-by: Alexander Atanasov <alexander.atanasov@...tuozzo.com>
---
 lib/show_mem.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/show_mem.c b/lib/show_mem.c
index 0d7585cde2a6..20b5964d498e 100644
--- a/lib/show_mem.c
+++ b/lib/show_mem.c
@@ -7,6 +7,9 @@
 
 #include <linux/mm.h>
 #include <linux/cma.h>
+#ifdef CONFIG_MEMORY_BALLOON
+#include <linux/balloon.h>
+#endif
 
 void __show_mem(unsigned int filter, nodemask_t *nodemask, int max_zone_idx)
 {
@@ -41,4 +44,9 @@ void __show_mem(unsigned int filter, nodemask_t *nodemask, int max_zone_idx)
 #ifdef CONFIG_MEMORY_FAILURE
 	printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
 #endif
+#ifdef CONFIG_MEMORY_BALLOON
+	printk("Balloon InflatedTotal:%ldkB InflatedFree:%ldkB\n",
+		atomic_long_read(&mem_balloon_inflated_total_kb),
+		atomic_long_read(&mem_balloon_inflated_free_kb));
+#endif
 }
-- 
2.31.1