[src/trunk]: src/sys/arch/mips/mips Only call uvm_pageidlezero() if uvm.page_...

[simonb <simonb%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/910d9c46e035
branches:  trunk
changeset: 485557:910d9c46e035
user:      simonb <simonb%NetBSD.org@localhost>
date:      Sun Apr 30 23:01:24 2000 +0000

description:
Only call uvm_pageidlezero() if uvm.page_idle_zero is set.

diffstat:

 sys/arch/mips/mips/locore.S |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (24 lines):

diff -r d0f14b7b07f2 -r 910d9c46e035 sys/arch/mips/mips/locore.S
--- a/sys/arch/mips/mips/locore.S       Sun Apr 30 22:56:12 2000 +0000
+++ b/sys/arch/mips/mips/locore.S       Sun Apr 30 23:01:24 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.95 2000/04/29 14:44:42 soren Exp $        */
+/*     $NetBSD: locore.S,v 1.96 2000/04/30 23:01:24 simonb Exp $       */
 
 /*
  * Copyright (c) 1992, 1993
@@ -264,7 +264,13 @@
        mtc0    t0, MIPS_COP_0_STATUS           # enable all interrupts
        nop
        sw      zero, _C_LABEL(curproc)         # set curproc NULL for stats
-       jal     _C_LABEL(uvm_pageidlezero)      # try to zero free pages
+
+       /* Try to zero some free pages. */
+       lw      t0, _C_LABEL(uvm) + UVM_PAGE_IDLE_ZERO
+       nop
+       beq     t0, zero, 1f
+       nop
+       jal     _C_LABEL(uvm_pageidlezero)
        nop
 1:
        lw      t0, _C_LABEL(whichqs)           # look for non-empty queue