Damien Zammit, le dim. 13 févr. 2022 08:10:29 +0000, a ecrit:
> +static void __boot
> +biosmem_map_adjust_alignment(struct biosmem_map_entry *e)
> +{
> + if (e->type & BIOSMEM_MASK_NARROW) {
> + e->base_addr = vm_page_round (e->base_addr);
> + e->length = vm_page_trunc (e->length);
> + } else {
> + e->base_addr = vm_page_trunc (e->base_addr);
> + e->length = vm_page_round (e->length);
> + }
> +}
It's not so simple. Take for instance:
base_addr = 0x200
length = 0x1000
You won't be aligning the length, while you should.
It's the end of the range that you want to align, not the size.
Samuel
