+ total_mem = td->orig_buffer_size;
+
+ if (td->o.odirect || td->o.mem_align || td->o.oatomic ||
+ td_ioengine_flagged(td, FIO_MEMALIGN)) {
+ total_mem += page_mask;
+ if (td->o.mem_align && td->o.mem_align > page_size)
+ total_mem += td->o.mem_align - page_size;
+ }
+
+ dprint(FD_MEM, "Alloc %llu for buffers\n", (unsigned long long) total_mem);
+
+ /*
+ * If the IO engine has hooks to allocate/free memory, use those. But
+ * error out if the user explicitly asked for something else.
+ */
+ if (td->io_ops->iomem_alloc) {
+ if (fio_option_is_set(&td->o, mem_type)) {
+ log_err("fio: option 'mem/iomem' conflicts with specified IO engine\n");
+ ret = 1;
+ } else
+ ret = td->io_ops->iomem_alloc(td, total_mem);
+ } else if (td->o.mem_type == MEM_MALLOC)
+ ret = alloc_mem_malloc(td, total_mem);