diff options
| -rw-r--r-- | arch/x86/mm/ioremap_32.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/mm/ioremap_32.c b/arch/x86/mm/ioremap_32.c index 7f7daf50efe..b743de841f6 100644 --- a/arch/x86/mm/ioremap_32.c +++ b/arch/x86/mm/ioremap_32.c @@ -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; |