Module Name:    src
Committed By:   riz
Date:           Tue Apr  5 06:10:50 UTC 2011

Modified Files:
        src/sys/net [netbsd-5]: bpf.c

Log Message:
Pull up following revision(s) (requested by bouyer in ticket #1587):
        sys/net/bpf.c: revision 1.163
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 -r1.141.6.1 -r1.141.6.2 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:1.141.6.1 src/sys/net/bpf.c:1.141.6.2
--- src/sys/net/bpf.c:1.141.6.1	Sat Apr  4 23:36:28 2009
+++ src/sys/net/bpf.c	Tue Apr  5 06:10:50 2011
@@ -1,4 +1,4 @@
-/*	$NetBSD: bpf.c,v 1.141.6.1 2009/04/04 23:36:28 snj Exp $	*/
+/*	$NetBSD: bpf.c,v 1.141.6.2 2011/04/05 06:10:50 riz Exp $	*/
 
 /*
  * Copyright (c) 1990, 1991, 1993
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.141.6.1 2009/04/04 23:36:28 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.141.6.2 2011/04/05 06:10:50 riz Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_bpf.h"
@@ -1528,10 +1528,10 @@
 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);

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