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Bump KDTRACE_THREAD_ZERO and use M_ZERO as a malloc flag instead of

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calling bzero.

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Rui Paulo 2010-08-22 11:09:53 +00:00
parent 9f3a1843ed
commit 258f5a255e
1 changed files with 3 additions and 6 deletions
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9
sys/kern/kern_dtrace.c
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@ -39,9 +39,7 @@ __FBSDID("$FreeBSD$");
#include <sys/dtrace_bsd.h>
#define KDTRACE_PROC_SIZE 64
#define KDTRACE_PROC_ZERO 8
#define KDTRACE_THREAD_SIZE 256
#define KDTRACE_THREAD_ZERO 64
MALLOC_DEFINE(M_KDTRACE, "kdtrace", "DTrace hooks");
@ -56,9 +54,8 @@ kdtrace_proc_size()
static void
kdtrace_proc_ctor(void *arg __unused, struct proc *p)
{
p->p_dtrace = malloc(KDTRACE_PROC_SIZE, M_KDTRACE, M_WAITOK);
bzero(p->p_dtrace, KDTRACE_PROC_ZERO);
p->p_dtrace = malloc(KDTRACE_PROC_SIZE, M_KDTRACE, M_WAITOK|M_ZERO);
}
static void
@ -75,15 +72,15 @@ kdtrace_proc_dtor(void *arg __unused, struct proc *p)
size_t
kdtrace_thread_size()
{
return (KDTRACE_THREAD_SIZE);
}
static void
kdtrace_thread_ctor(void *arg __unused, struct thread *td)
{
td->td_dtrace = malloc(KDTRACE_THREAD_SIZE, M_KDTRACE, M_WAITOK);
bzero(td->td_dtrace, KDTRACE_THREAD_ZERO);
td->td_dtrace = malloc(KDTRACE_THREAD_SIZE, M_KDTRACE, M_WAITOK|M_ZERO);
}
static void