On Tue, Jun 25, 2024 at 08:16:52PM +0800, Guanshun Liu wrote: > On architectures that support the preservation of memblock metadata > after __init, allow drivers to call memblock_free() to free a > reservation configured in dts. This is a hack to support the "This is a hack" implies that it's not a proper solution, right? And anyway, memblock_free() will not actually free the memory after __init. > freeing of bootsplash reservations passed to Linux by the bootloader. > > Signed-off-by: Guanshun Liu <lgs156412@xxxxxxxxx> > --- > mm/memblock.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/mm/memblock.c b/mm/memblock.c > index 6d18485571b4..20e7f81fc076 100644 > --- a/mm/memblock.c > +++ b/mm/memblock.c > @@ -848,6 +848,9 @@ void __init_memblock memblock_free(void *ptr, size_t size) > if (ptr) > memblock_phys_free(__pa(ptr), size); > } > +#ifdef CONFIG_ARCH_KEEP_MEMBLOCK > +EXPORT_SYMBOL_GPL(memblock_free); > +#endif > > /** > * memblock_phys_free - free boot memory block > -- > 2.25.1 > -- Sincerely yours, Mike.
