Le 04/11/2021 à 22:44, Andrew Morton a écrit :
On Fri, 01 Oct 2021 17:14:41 +1000 Daniel Axtens wrote:
#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
On Fri, 01 Oct 2021 17:14:41 +1000 Daniel Axtens wrote:
> > #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].
>
> #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
Commit 7a5da02de8d6 ("locking/lockdep: check for freed initmem in
static_obj()") added arch_is_kernel_initmem_freed() which is supposed
to report whether an object is part of already freed init memory.
For the time being, the generic version of arch_is_kernel_initmem_freed()
always reports
