On Fri, Apr 08, 2022 at 03:34:43PM -0700, Song Liu wrote:
> +static void *bpf_prog_pack_vmalloc(unsigned long size)
> +{
> +#if defined(MODULES_VADDR)
> + unsigned long start = MODULES_VADDR;
> + unsigned long end = MODULES_END;
> +#else
> + unsigned long start = VMALLOC_START;
> + unsigned long end = VMALLOC_END;
> +#endif
> +
> + return __vmalloc_node_range(size, PAGE_SIZE, start, end, GFP_KERNEL, PAGE_KERNEL,
> + VM_DEFER_KMEMLEAK | VM_ALLOW_HUGE_VMAP,
> + NUMA_NO_NODE, __builtin_return_address(0));
> +}
Instead of having this magic in bpf I think a module_alloc_large would
seems like the better interface here.
