x86: add early_ioremap() leak detection (d690b2af) · Commits · e / devices / android_kernel_teracube_2e

arch/x86/mm/ioremap_32.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -311,6 +311,22 @@ static inline void __init early_clear_fixmap(enum fixed_addresses idx)

		int __initdata early_ioremap_nested;

		static int __init check_early_ioremap_leak(void)
		{
		if (!early_ioremap_nested)
		return 0;

		printk(KERN_WARNING
		"Debug warning: early ioremap leak of %d areas detected.\n",
		early_ioremap_nested);
		printk(KERN_WARNING
		"please boot with early_ioremap_debug and report the dmesg.\n");
		WARN_ON(1);

		return 1;
		}
		late_initcall(check_early_ioremap_leak);

		void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
		{
		unsigned long offset, last_addr;