From 628d06a48f57c36abdc2a024930212e654a501b7 Mon Sep 17 00:00:00 2001
From: Sami Tolvanen <samitolvanen@google.com>
Date: Mon, 27 Apr 2020 09:00:08 -0700
Subject: scs: Add page accounting for shadow call stack allocations

This change adds accounting for the memory allocated for shadow stacks.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
---
 mm/vmstat.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'mm/vmstat.c')

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 96d21a792b57..2435d2c24657 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1119,6 +1119,9 @@ const char * const vmstat_text[] = {
 	"nr_mlock",
 	"nr_page_table_pages",
 	"nr_kernel_stack",
+#if IS_ENABLED(CONFIG_SHADOW_CALL_STACK)
+	"nr_shadow_call_stack",
+#endif
 	"nr_bounce",
 #if IS_ENABLED(CONFIG_ZSMALLOC)
 	"nr_zspages",
-- 
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