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increase nswbuf to 3/4 nbuf instead of 1/2 nbuf.

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This commit is contained in:
chopps 1994-07-18 08:04:32 +00:00
parent 8ee00127c9
commit 9f3700198d
1 changed files with 6 additions and 8 deletions
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14
sys/arch/amiga/amiga/machdep.c
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@ -38,7 +38,7 @@
* from: Utah $Hdr: machdep.c 1.63 91/04/24$
*
* @(#)machdep.c 7.16 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.36 1994/07/16 19:45:32 chopps Exp $
* $Id: machdep.c,v 1.37 1994/07/18 08:04:32 chopps Exp $
*/
#include <sys/param.h>
@ -262,12 +262,10 @@ again:
valloc(msqids, struct msqid_ds, msginfo.msgmni);
#endif
/*
* Determine how many buffers to allocate.
* Since HPs tend to be long on memory and short on disk speed,
* we allocate more buffer space than the BSD standard of
* use 10% of memory for the first 2 Meg, 5% of remaining.
* We just allocate a flat 10%. Insure a minimum of 16 buffers.
* We allocate 1/2 as many swap buffer headers as file i/o buffers.
* Determine how many buffers to allocate. We allocate
* the BSD standard of use 10% of memory for the first 2 Meg,
* 5% of remaining. Insure a minimum of 16 buffers.
* We allocate 3/4 as many swap buffer headers as file i/o buffers.
*/
if (bufpages == 0)
if (physmem < btoc(2 * 1024 * 1024))
@ -283,7 +281,7 @@ again:
}
if (nswbuf == 0) {
nswbuf = (nbuf / 2) &~ 1; /* force even */
nswbuf = (nbuf * 3 / 4) &~ 1; /* force even */
if (nswbuf > 256)
nswbuf = 256; /* sanity */
}