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Do not always use KMEMSTATS, it's a performance lose

This commit is contained in:
tls 1997-01-30 22:07:44 +00:00
parent f89ffa1fe4
commit dff9c0904d
1 changed files with 8 additions and 6 deletions
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14
sys/sys/malloc.h
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@ -1,4 +1,4 @@
/* $NetBSD: malloc.h,v 1.25 1996/12/10 10:07:26 mycroft Exp $ */
/* $NetBSD: malloc.h,v 1.26 1997/01/30 22:07:44 tls Exp $ */
/*
* Copyright (c) 1987, 1993
@ -38,7 +38,9 @@
#ifndef _SYS_MALLOC_H_
#define _SYS_MALLOC_H_
#ifdef DEBUG
#define KMEMSTATS
#endif
/*
* flags to malloc
@ -293,13 +295,13 @@ struct kmembuckets {
/*
* Macro versions for the usual cases of malloc/free
*/
#if defined(KMEMSTATS) || defined(DIAGNOSTIC)
#if defined(KMEMSTATS) || defined(DEBUG)
#define MALLOC(space, cast, size, type, flags) \
(space) = (cast)malloc((u_long)(size), type, flags)
#define FREE(addr, type) free((caddr_t)(addr), type)
#else /* do not collect statistics */
#define MALLOC(space, cast, size, type, flags) { \
#define MALLOC(space, cast, size, type, flags) do { \
register struct kmembuckets *kbp = &bucket[BUCKETINDX(size)]; \
long s = splimp(); \
if (kbp->kb_next == NULL) { \
@ -309,9 +311,9 @@ struct kmembuckets {
kbp->kb_next = *(caddr_t *)(space); \
} \
splx(s); \
}
} while (0)
#define FREE(addr, type) { \
#define FREE(addr, type) do { \
register struct kmembuckets *kbp; \
register struct kmemusage *kup = btokup(addr); \
long s = splimp(); \
@ -327,7 +329,7 @@ struct kmembuckets {
kbp->kb_last = (caddr_t)(addr); \
} \
splx(s); \
}
} while(0)
#endif /* do not collect statistics */
extern struct kmemstats kmemstats[];