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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
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