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-rw-r--r--init/main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index 3316dffe3e5..cb81ed116f6 100644
--- a/init/main.c
+++ b/init/main.c
@@ -318,6 +318,10 @@ static int __init unknown_bootoption(char *param, char *val)
return 0;
}
+#ifdef CONFIG_DEBUG_PAGEALLOC
+int __read_mostly debug_pagealloc_enabled = 0;
+#endif
+
static int __init init_setup(char *str)
{
unsigned int i;
@@ -552,6 +556,7 @@ asmlinkage void __init start_kernel(void)
preempt_disable();
build_all_zonelists();
page_alloc_init();
+ enable_debug_pagealloc();
printk(KERN_NOTICE "Kernel command line: %s\n", boot_command_line);
parse_early_param();
parse_args("Booting kernel", static_command_line, __start___param,