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don't move hint backward.

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This commit is contained in:
yamt 2003-11-05 15:34:50 +00:00
parent 171053e863
commit b479cef701
1 changed files with 6 additions and 4 deletions
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10
sys/uvm/uvm_map.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_map.c,v 1.148 2003/11/05 15:09:09 yamt Exp $ */
/* $NetBSD: uvm_map.c,v 1.149 2003/11/05 15:34:50 yamt Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.148 2003/11/05 15:09:09 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.149 2003/11/05 15:34:50 yamt Exp $");
#include "opt_ddb.h"
#include "opt_uvmhist.h"
@ -1507,9 +1507,11 @@ nextgap:
* space requirement
*/
if (topdown) {
hint = tmp->next->start - length;
if (hint > tmp->next->start - length)
hint = tmp->next->start - length;
} else {
hint = tmp->end;
if (hint < tmp->end)
hint = tmp->end;
}
switch (uvm_map_space_avail(&hint, length, uoffset, align,
topdown, tmp)) {