diff options
| -rw-r--r-- | arch/x86/xen/mmu_pv.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index aab5f70d407c..820af6f0aa57 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -2291,18 +2291,19 @@ static void xen_remap_exchanged_ptes(unsigned long vaddr, int order, } /* - * Perform the hypercall to exchange a region of our pfns to point to - * memory with the required contiguous alignment. Takes the pfns as - * input, and populates mfns as output. + * Perform the hypercall to exchange a region of our pages to point to memory + * with the required contiguous alignment. Takes as input the mfns to trade + * in (mfns_in) and the pfns where the new pages are to appear (fns_inout), + * and populates mfns as output (fns_inout). * * Returns a success code indicating whether the hypervisor was able to * satisfy the request or not. */ static int xen_exchange_memory(unsigned long extents_in, unsigned int order_in, - unsigned long *pfns_in, + unsigned long *mfns_in, unsigned long extents_out, unsigned int order_out, - unsigned long *mfns_out, + unsigned long *fns_inout, unsigned int address_bits) { long rc; @@ -2312,13 +2313,13 @@ static int xen_exchange_memory(unsigned long extents_in, unsigned int order_in, .in = { .nr_extents = extents_in, .extent_order = order_in, - .extent_start = pfns_in, + .extent_start = mfns_in, .domid = DOMID_SELF }, .out = { .nr_extents = extents_out, .extent_order = order_out, - .extent_start = mfns_out, + .extent_start = fns_inout, .address_bits = address_bits, .domid = DOMID_SELF } |