Re: [linux-iscsi-devel] SG_IO with >4k buffer size to iscsi sg device causes "Bad page" panic

[Herbert Xu <he...@go...>]

Qi, Yanling <Yan...@ls...> wrote:
> @@ -2571,6 +2572,13 @@ sg_page_malloc(int rqSz, int lowDma, int
>                resp = (char *) __get_free_pages(page_mask, order);
> /* try half */
>                resSz = a_size;
>        }
> +       tmppage = virt_to_page(resp);
> +       for( m = PAGE_SIZE; m < resSz; m += PAGE_SIZE )
> +       {
> +               tmppage++;
> +               SetPageReserved(tmppage);
> +       }
> +

Why not just increase the page use count?

Cheers,
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