Only allow mmap in "managed" RAM for now.
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@ -1,4 +1,4 @@
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/* $NetBSD: mem.c,v 1.18 1995/04/13 22:02:04 gwr Exp $ */
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/* $NetBSD: mem.c,v 1.19 1995/08/08 21:09:01 gwr Exp $ */
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/*
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* Copyright (c) 1994, 1995 Gordon W. Ross
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@ -258,9 +258,9 @@ mmmmap(dev, off, prot)
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switch (minor(dev)) {
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case 0: /* dev/mem */
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/* Allow access only in RAM. */
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if (v < 0 || v >= avail_end)
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return (-1);
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/* Allow access only in "managed" RAM. */
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if (v < avail_start || v >= avail_end)
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break;
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return (v);
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case 5: /* dev/vme16d16 */
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