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desired_order
2020 Sep 15
0
[PATCH RFC v1 09/18] x86/hyperv: provide a bunch of helper functions
...s
> + * Must be called with interrupts enabled
> + * Max 256 pages
> + */
> +int hv_call_deposit_pages(int node, u64 partition_id, u32 num_pages)
> +{
> + struct page **pages;
> + int *counts;
> + int num_allocations;
> + int i, j, page_count;
> + int order;
> + int desired_order;
> + int status;
> + int ret;
> + u64 base_pfn;
> + struct hv_deposit_memory *input_page;
> + unsigned long flags;
> +
> + if (num_pages > HV_DEPOSIT_MAX)
> + return -EINVAL;
> + if (!num_pages)
> + return 0;
> +
> + ret = -ENOMEM;
> +
> + /* One buf...