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-rw-r--r--mm/mm_init.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/mm/mm_init.c b/mm/mm_init.c
index 7712d887b696..220b7c6b5fb2 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -2525,6 +2525,14 @@ early_param("init_on_free", early_init_on_free);
DEFINE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled);
+static bool check_pages_enabled_early __initdata;
+
+static int __init early_check_pages(char *buf)
+{
+ return kstrtobool(buf, &check_pages_enabled_early);
+}
+early_param("check_pages", early_check_pages);
+
/*
* Enable static keys related to various memory debugging and hardening options.
* Some override others, and depend on early params that are evaluated in the
@@ -2534,7 +2542,7 @@ DEFINE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled);
static void __init mem_debugging_and_hardening_init(void)
{
bool page_poisoning_requested = false;
- bool want_check_pages = false;
+ bool want_check_pages = check_pages_enabled_early;
#ifdef CONFIG_PAGE_POISONING
/*