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Don't ignore mmap() address hint below the text section.

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This commit is contained in:
luoqi 1999-05-06 00:46:19 +00:00
parent a82ef47430
commit 4a430b2b40
1 changed files with 4 additions and 2 deletions
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6
sys/vm/vm_mmap.c
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@ -38,7 +38,7 @@
* from: Utah $Hdr: vm_mmap.c 1.6 91/10/21$
*
* @(#)vm_mmap.c 8.4 (Berkeley) 1/12/94
* $Id: vm_mmap.c,v 1.93 1999/04/19 14:14:10 peter Exp $
* $Id: vm_mmap.c,v 1.94 1999/04/27 11:18:49 phk Exp $
*/
/*
@ -228,7 +228,9 @@ mmap(p, uap)
* There should really be a pmap call to determine a reasonable
* location.
*/
else if (addr < round_page((vm_offset_t)p->p_vmspace->vm_daddr + MAXDSIZ))
else if (addr == 0 ||
addr >= round_page((vm_offset_t)p->p_vmspace->vm_taddr) &&
addr < round_page((vm_offset_t)p->p_vmspace->vm_daddr + MAXDSIZ))
addr = round_page((vm_offset_t)p->p_vmspace->vm_daddr + MAXDSIZ);
if (flags & MAP_ANON) {