>>> On 08.01.15 at 18:01, <jgr...@suse.com> wrote:
> --- a/arch/x86/xen/setup.c
> +++ b/arch/x86/xen/setup.c
> @@ -140,7 +140,7 @@ static void __init xen_del_extra_mem(u64 start, u64 size)
> unsigned long __ref xen_chk_extra_mem(unsigned long pfn)
> {
> int i;
> - unsigned long addr = PFN_PHYS(pfn);
> + u64 addr = PFN_PHYS(pfn);
Isn't phys_addr_t the type to use here?
> @@ -284,7 +286,7 @@ static void __init xen_update_mem_tables(unsigned long
> pfn, unsigned long mfn)
> }
>
> /* Update kernel mapping, but not for highmem. */
> - if ((pfn << PAGE_SHIFT) >= __pa(high_memory))
> + if (PFN_PHYS(pfn) >= (u64)(__pa(high_memory)))
I don't think you really need the cast on the right side - __pa()
should be returning a value of suitable type (and unsigned long
would be sufficient for anything up to and including high_memory).
Jan
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