diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2006-01-04 20:25:35 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2006-01-04 20:25:35 +0000 |
| commit | 00b2d82988e3299a12f26df067643ab6b861dea7 (patch) | |
| tree | 746c52dd711a8a440c62530946195110f5cd8b22 /sys/arch | |
| parent | 45917bfa2091918b20278d0595a37c48b7e5f1d0 (diff) | |
Cut buffers pressure down to 35% of kvm max, since (for now) kvm is
scaringly scarce on mips64. While there, no need to zero memory in
allocsys().
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/sgi/sgi/machdep.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/sys/arch/sgi/sgi/machdep.c b/sys/arch/sgi/sgi/machdep.c index d7629df5135..b4c0ddf235a 100644 --- a/sys/arch/sgi/sgi/machdep.c +++ b/sys/arch/sgi/sgi/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.28 2006/01/04 20:23:11 miod Exp $ */ +/* $OpenBSD: machdep.c,v 1.29 2006/01/04 20:25:34 miod Exp $ */ /* * Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com) @@ -569,11 +569,11 @@ allocsys(caddr_t v) if (nbuf < 16) nbuf = 16; } - /* Restrict to at most 70% filled kvm */ + /* Restrict to at most 35% filled kvm */ if (nbuf * MAXBSIZE > - (VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) * 7 / 10) + (VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) * 7 / 20) nbuf = (VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) / - MAXBSIZE * 7 / 10; + MAXBSIZE * 7 / 20; /* More buffer pages than fits into the buffers is senseless. */ if (bufpages > nbuf * MAXBSIZE / PAGE_SIZE) @@ -581,13 +581,6 @@ allocsys(caddr_t v) valloc(buf, struct buf, nbuf); - /* - * Clear allocated memory. - */ - if (start != 0) { - bzero(start, v - start); - } - return(v); } @@ -673,16 +666,10 @@ cpu_startup() if (uvm_map(kernel_map, (vaddr_t *) &buffers, round_page(size), NULL, UVM_UNKNOWN_OFFSET, 0, UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE, - UVM_ADV_NORMAL, 0)) != KERN_SUCCESS) { + UVM_ADV_NORMAL, 0))) panic("cpu_startup: cannot allocate VM for buffers"); - } base = bufpages / nbuf; residual = bufpages % nbuf; - if (base >= MAXBSIZE / PAGE_SIZE) { - /* don't want to alloc more physical mem than needed */ - base = MAXBSIZE / PAGE_SIZE; - residual = 0; - } for (i = 0; i < nbuf; i++) { vsize_t curbufsize; |