commit 9c265248fa97329facbbea176d9ea6a155b283f7
author Sami Tolvanen <samitolvanen@google.com> Wed May 23 13:27:08 2018 -0700
committer Alistair Delva <adelva@google.com> Wed Nov 27 12:37:25 2019 -0800
tree bfcdb4ca95ecfae8999f7e35b5ee9c7490a8e643
parent 16e13c60ff57f925838e21bf54f1afd930640cbb

FROMLIST: scs: add accounting

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

Bug: 145210207
Change-Id: I51157fe0b23b4cb28bb33c86a5dfe3ac911296a4
(am from https://lore.kernel.org/patchwork/patch/1149055/)
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

mm/vmstat.c

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 27e40b4..49225d4 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1117,6 +1117,9 @@
 	"nr_mlock",
 	"nr_page_table_pages",
 	"nr_kernel_stack",
+#if IS_ENABLED(CONFIG_SHADOW_CALL_STACK)
+	"nr_shadow_call_stack_bytes",
+#endif
 	"nr_bounce",
 #if IS_ENABLED(CONFIG_ZSMALLOC)
 	"nr_zspages",