diff options
Diffstat (limited to 'kernel/locking/lockdep.c')
-rw-r--r-- | kernel/locking/lockdep.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 7096384dc60f..74d371665747 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -788,6 +788,21 @@ static int very_verbose(struct lock_class *class) * Is this the address of a static object: */ #ifdef __KERNEL__ +/* + * Check if an address is part of freed initmem. After initmem is freed, + * memory can be allocated from it, and such allocations would then have + * addresses within the range [_stext, _end]. + */ +#ifndef arch_is_kernel_initmem_freed +static int arch_is_kernel_initmem_freed(unsigned long addr) +{ + if (system_state < SYSTEM_FREEING_INITMEM) + return 0; + + return init_section_contains((void *)addr, 1); +} +#endif + static int static_obj(const void *obj) { unsigned long start = (unsigned long) &_stext, |