By making the structure exactly the same size and with the same offsets on 64 and 32-bit builds we are future-proofing ourselves.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> --- include/xen/interface/memory.h | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h index 8beebdb..6b07b54 100644 --- a/include/xen/interface/memory.h +++ b/include/xen/interface/memory.h @@ -253,9 +253,14 @@ extern spinlock_t xen_reservation_lock; struct xen_remove_from_physmap { /* Which domain to change the mapping for. */ domid_t domid; - + /* To be used in the future if need to. */ + uint8_t reserved[6]; /* GPFN of the current mapping of the page. */ xen_pfn_t gpfn; +#ifdef CONFIG_X86_32 + /* No need to do that on ARM as xen_pfn_t is always 8 bytes. */ + uint8_t __pad[4]; +#endif }; DEFINE_GUEST_HANDLE_STRUCT(xen_remove_from_physmap); -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/