svn commit: r258184 - stable/8/sys/kern
John Baldwin
jhb at FreeBSD.org
Fri Nov 15 19:58:31 UTC 2013
Author: jhb
Date: Fri Nov 15 19:58:31 2013
New Revision: 258184
URL: http://svnweb.freebsd.org/changeset/base/258184
Log:
MFC 256274:
Ignore attempts to set the nmbcluster sysctls to their current value
rather than failing with an error.
Modified:
stable/8/sys/kern/kern_mbuf.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/kern/ (props changed)
Modified: stable/8/sys/kern/kern_mbuf.c
==============================================================================
--- stable/8/sys/kern/kern_mbuf.c Fri Nov 15 19:58:26 2013 (r258183)
+++ stable/8/sys/kern/kern_mbuf.c Fri Nov 15 19:58:31 2013 (r258184)
@@ -128,7 +128,7 @@ sysctl_nmbclusters(SYSCTL_HANDLER_ARGS)
newnmbclusters = nmbclusters;
error = sysctl_handle_int(oidp, &newnmbclusters, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbclusters != nmbclusters) {
if (newnmbclusters > nmbclusters) {
nmbclusters = newnmbclusters;
uma_zone_set_max(zone_clust, nmbclusters);
@@ -149,7 +149,7 @@ sysctl_nmbjumbop(SYSCTL_HANDLER_ARGS)
newnmbjumbop = nmbjumbop;
error = sysctl_handle_int(oidp, &newnmbjumbop, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbjumbop != nmbjumbop) {
if (newnmbjumbop> nmbjumbop) {
nmbjumbop = newnmbjumbop;
uma_zone_set_max(zone_jumbop, nmbjumbop);
@@ -170,7 +170,7 @@ sysctl_nmbjumbo9(SYSCTL_HANDLER_ARGS)
newnmbjumbo9 = nmbjumbo9;
error = sysctl_handle_int(oidp, &newnmbjumbo9, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbjumbo9 != nmbjumbo9) {
if (newnmbjumbo9> nmbjumbo9) {
nmbjumbo9 = newnmbjumbo9;
uma_zone_set_max(zone_jumbo9, nmbjumbo9);
@@ -190,7 +190,7 @@ sysctl_nmbjumbo16(SYSCTL_HANDLER_ARGS)
newnmbjumbo16 = nmbjumbo16;
error = sysctl_handle_int(oidp, &newnmbjumbo16, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbjumbo16 != nmbjumbo16) {
if (newnmbjumbo16> nmbjumbo16) {
nmbjumbo16 = newnmbjumbo16;
uma_zone_set_max(zone_jumbo16, nmbjumbo16);
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