On 11/05/2022 07:22, Christoph Hellwig wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> Can you try this patch?
Hey Christoph, gave it a try but nfortunately, no joy!
Thanks,
Conor.
>
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index e2ef0864eb1e5..856179f27f608 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -234,7 +234,7 @@ void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags,
> {
> struct io_tlb_mem *mem = &io_tlb_default_mem;
> unsigned long nslabs = default_nslabs;
> - size_t alloc_size = PAGE_ALIGN(array_size(sizeof(*mem->slots), nslabs));
> + size_t alloc_size;
> size_t bytes;
> void *tlb;
>
> @@ -267,12 +267,13 @@ void __init swiotlb_init_remap(bool addressing_limit, unsigned int flags,
> goto retry;
> }
>
> + alloc_size = PAGE_ALIGN(array_size(sizeof(*mem->slots), nslabs));
> mem->slots = memblock_alloc(alloc_size, PAGE_SIZE);
> if (!mem->slots)
> panic("%s: Failed to allocate %zu bytes align=0x%lx\n",
> __func__, alloc_size, PAGE_SIZE);
>
> - swiotlb_init_io_tlb_mem(mem, __pa(tlb), default_nslabs, false);
> + swiotlb_init_io_tlb_mem(mem, __pa(tlb), nslabs, false);
> mem->force_bounce = flags & SWIOTLB_FORCE;
>
> if (flags & SWIOTLB_VERBOSE)
