[src/trunk]: src/sys/netinet6 Use kmem istead of malloc

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e5a05a59e3d7
branches:  trunk
changeset: 351672:e5a05a59e3d7
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Wed Feb 22 03:41:54 2017 +0000

description:
Use kmem istead of malloc

diffstat:

 sys/netinet6/nd6.c |  18 ++++++++++--------
 1 files changed, 10 insertions(+), 8 deletions(-)

diffs (76 lines):

diff -r 9baf823e8c0e -r e5a05a59e3d7 sys/netinet6/nd6.c
--- a/sys/netinet6/nd6.c        Wed Feb 22 03:03:37 2017 +0000
+++ b/sys/netinet6/nd6.c        Wed Feb 22 03:41:54 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nd6.c,v 1.228 2017/02/22 03:02:55 ozaki-r Exp $        */
+/*     $NetBSD: nd6.c,v 1.229 2017/02/22 03:41:54 ozaki-r Exp $        */
 /*     $KAME: nd6.c,v 1.279 2002/06/08 11:16:51 itojun Exp $   */
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.228 2017/02/22 03:02:55 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.229 2017/02/22 03:41:54 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -43,7 +43,7 @@
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/callout.h>
-#include <sys/malloc.h>
+#include <sys/kmem.h>
 #include <sys/mbuf.h>
 #include <sys/socket.h>
 #include <sys/socketvar.h>
@@ -163,7 +163,7 @@
 {
        struct nd_ifinfo *nd;
 
-       nd = (struct nd_ifinfo *)malloc(sizeof(*nd), M_IP6NDP, M_WAITOK|M_ZERO);
+       nd = kmem_zalloc(sizeof(*nd), KM_SLEEP);
 
        nd->initialized = 1;
 
@@ -202,7 +202,7 @@
        /* Ensure all IPv6 addresses are purged before calling nd6_purge */
        if_purgeaddrs(ifp, AF_INET6, in6_purgeaddr);
        nd6_purge(ifp, ext);
-       free(ext->nd_ifinfo, M_IP6NDP);
+       kmem_free(ext->nd_ifinfo, sizeof(struct nd_ifinfo));
 }
 
 void
@@ -2508,6 +2508,7 @@
        void *p;
        size_t ol;
        int error;
+       size_t bufsize = 0;
 
        error = 0;
 
@@ -2517,10 +2518,11 @@
                return EINVAL;
        ol = oldlenp ? *oldlenp : 0;
 
-       if (oldp) {
-               p = malloc(*oldlenp, M_TEMP, M_WAITOK);
+       if (oldp && *oldlenp > 0) {
+               p = kmem_alloc(*oldlenp, KM_SLEEP);
                if (p == NULL)
                        return ENOMEM;
+               bufsize = *oldlenp;
        } else
                p = NULL;
        switch (name) {
@@ -2544,7 +2546,7 @@
                break;
        }
        if (p)
-               free(p, M_TEMP);
+               kmem_free(p, bufsize);
 
        return error;
 }