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Change VMEM_HASHSIZE_INIT from 1 to 128. This mainly benefits

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quick-running or non-threaded rump jobs, where the rehash algorithm
does not have a chance to run.  For other cases it doesn't make
much difference, since the size will grow or decrease when the
rehash algorithm runs for the first time (t=10*hz currently).
This commit is contained in:
pooka 2009-01-23 13:45:06 +00:00
parent 2ef0a5a5d9
commit 8b32829eeb
1 changed files with 3 additions and 3 deletions
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6
sys/kern/subr_vmem.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_vmem.c,v 1.52 2008/12/15 10:26:10 ad Exp $ */
/* $NetBSD: subr_vmem.c,v 1.53 2009/01/23 13:45:06 pooka Exp $ */
/*-
* Copyright (c)2006 YAMAMOTO Takashi,
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_vmem.c,v 1.52 2008/12/15 10:26:10 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_vmem.c,v 1.53 2009/01/23 13:45:06 pooka Exp $");
#if defined(_KERNEL)
#include "opt_ddb.h"
@ -92,7 +92,7 @@ void vmem_dump(const vmem_t *);
#define VMEM_HASHSIZE_MIN 1 /* XXX */
#define VMEM_HASHSIZE_MAX 8192 /* XXX */
#define VMEM_HASHSIZE_INIT VMEM_HASHSIZE_MIN
#define VMEM_HASHSIZE_INIT 128
#define VM_FITMASK (VM_BESTFIT | VM_INSTANTFIT)