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Decrease the amount of memory allocated for bouncing. This will

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allow large systems to boot successfully with bounce buffers compiled
in.  We are now limiting bounce space to 512K.  The 8MB allocated for
a 512MB system is very bogus -- and that is now fixed.
This commit is contained in:
John Dyson 1997-04-13 04:07:24 +00:00
parent aec17d5078
commit f39aebddfc
2 changed files with 6 additions and 2 deletions
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4
sys/amd64/amd64/machdep.c
View file

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 7.4 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.235 1997/04/07 06:45:13 peter Exp $
* $Id: machdep.c,v 1.236 1997/04/07 07:15:50 peter Exp $
*/
#include "npx.h"
@ -300,6 +300,8 @@ again:
if (bouncepages == 0) {
bouncepages = 64;
bouncepages += ((Maxmem - 4096) / 2048) * 32;
if (bouncepages > 128)
bouncepages = 128;
}
v = (caddr_t)((vm_offset_t)round_page(v));
valloc(bouncememory, char, bouncepages * PAGE_SIZE);

4
sys/i386/i386/machdep.c
View file

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 7.4 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.235 1997/04/07 06:45:13 peter Exp $
* $Id: machdep.c,v 1.236 1997/04/07 07:15:50 peter Exp $
*/
#include "npx.h"
@ -300,6 +300,8 @@ again:
if (bouncepages == 0) {
bouncepages = 64;
bouncepages += ((Maxmem - 4096) / 2048) * 32;
if (bouncepages > 128)
bouncepages = 128;
}
v = (caddr_t)((vm_offset_t)round_page(v));
valloc(bouncememory, char, bouncepages * PAGE_SIZE);