Module Name: src
Committed By: bouyer
Date: Wed Mar 30 18:04:27 UTC 2011
Modified Files:
src/sys/net: bpf.c
Log Message:
Allocate buffers with (M_WAITOK | M_CANFAIL) instead of M_NOWAIT.
M_NOWAIT cause dhcpd on a low-memory server with lots of interfaces to
occasionally fail to start with ENOBUFS; (M_WAITOK | M_CANFAIL) seems to
fix this.
Tested on 3 different dhcp servers.
To generate a diff of this commit:
cvs rdiff -u -r1.162 -r1.163 src/sys/net/bpf.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/net/bpf.c
diff -u src/sys/net/bpf.c:1.162 src/sys/net/bpf.c:1.163
--- src/sys/net/bpf.c:1.162 Sat Jan 22 19:12:58 2011
+++ src/sys/net/bpf.c Wed Mar 30 18:04:27 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: bpf.c,v 1.162 2011/01/22 19:12:58 christos Exp $ */
+/* $NetBSD: bpf.c,v 1.163 2011/03/30 18:04:27 bouyer Exp $ */
/*
* Copyright (c) 1990, 1991, 1993
@@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.162 2011/01/22 19:12:58 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.163 2011/03/30 18:04:27 bouyer Exp $");
#if defined(_KERNEL_OPT)
#include "opt_bpf.h"
@@ -1607,10 +1607,10 @@
bpf_allocbufs(struct bpf_d *d)
{
- d->bd_fbuf = malloc(d->bd_bufsize, M_DEVBUF, M_NOWAIT);
+ d->bd_fbuf = malloc(d->bd_bufsize, M_DEVBUF, M_WAITOK | M_CANFAIL);
if (!d->bd_fbuf)
return (ENOBUFS);
- d->bd_sbuf = malloc(d->bd_bufsize, M_DEVBUF, M_NOWAIT);
+ d->bd_sbuf = malloc(d->bd_bufsize, M_DEVBUF, M_WAITOK | M_CANFAIL);
if (!d->bd_sbuf) {
free(d->bd_fbuf, M_DEVBUF);
return (ENOBUFS);
