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- /* Copyright (c) 1991 NeXT Computer, Inc. All rights reserved.
- *
- * i386/kernelDriver.h - i386 kernel-only driverkit functions.
- *
- * HISTORY
- * 1-Apr-93 Doug Mitchell at NeXT
- * Created.
- */
-
- #ifdef KERNEL
-
- /*
- * Allocate memory guranteed to be in the low 16 megabytes of physical
- * memory. Used when performing DMA which must deal with only 24 bits
- * of address.
- *
- * Zero will also be returned if no low memory can be allocated.
- *
- * Memory allocated by IOMallocLow() must be freed by IOFreeLow().
- */
- void *IOMallocLow(int size);
- void IOFreeLow(void *p, int size);
-
- #endif KERNEL
-