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diff --git a/sys/cam/scsi/scsi_all.c b/sys/cam/scsi/scsi_all.c
--- a/sys/cam/scsi/scsi_all.c
+++ b/sys/cam/scsi/scsi_all.c
@@ -9406,7 +9406,8 @@
return (set_scsi_delay(delay));
}
SYSCTL_PROC(_kern_cam, OID_AUTO, scsi_delay,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 0, sysctl_scsi_delay, "I",
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ 0, 0, sysctl_scsi_delay, "I",
"Delay to allow devices to settle after a SCSI bus reset (ms)");
static int
diff --git a/sys/ddb/db_capture.c b/sys/ddb/db_capture.c
--- a/sys/ddb/db_capture.c
+++ b/sys/ddb/db_capture.c
@@ -165,8 +165,8 @@
return (0);
}
SYSCTL_PROC(_debug_ddb_capture, OID_AUTO, bufsize,
- CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 0,
- sysctl_debug_ddb_capture_bufsize, "IU",
+ CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ 0, 0, sysctl_debug_ddb_capture_bufsize, "IU",
"Size of DDB capture buffer");
/*
diff --git a/sys/fs/nfsclient/nfs_clnfsiod.c b/sys/fs/nfsclient/nfs_clnfsiod.c
--- a/sys/fs/nfsclient/nfs_clnfsiod.c
+++ b/sys/fs/nfsclient/nfs_clnfsiod.c
@@ -123,8 +123,8 @@
return (0);
}
SYSCTL_PROC(_vfs_nfs, OID_AUTO, iodmin,
- CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, 0, sizeof (nfs_iodmin),
- sysctl_iodmin, "IU",
+ CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ 0, sizeof (nfs_iodmin), sysctl_iodmin, "IU",
"Min number of nfsiod kthreads to keep as spares");
static int
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -5090,10 +5090,11 @@
}
#endif
-SYSCTL_INT(_kern, KERN_MAXFILESPERPROC, maxfilesperproc, CTLFLAG_RW,
+SYSCTL_INT(_kern, KERN_MAXFILESPERPROC, maxfilesperproc,
+ CTLFLAG_RWTUN | CTLFLAG_NOFETCH,
&maxfilesperproc, 0, "Maximum files allowed open per process");
-SYSCTL_INT(_kern, KERN_MAXFILES, maxfiles, CTLFLAG_RW,
+SYSCTL_INT(_kern, KERN_MAXFILES, maxfiles, CTLFLAG_RWTUN | CTLFLAG_NOFETCH,
&maxfiles, 0, "Maximum number of files");
SYSCTL_INT(_kern, OID_AUTO, openfiles, CTLFLAG_RD,
diff --git a/sys/kern/kern_mbuf.c b/sys/kern/kern_mbuf.c
--- a/sys/kern/kern_mbuf.c
+++ b/sys/kern/kern_mbuf.c
@@ -132,9 +132,9 @@
}
return (error);
}
-SYSCTL_PROC(_kern_ipc, OID_AUTO, mb_use_ext_pgs, CTLTYPE_INT | CTLFLAG_RW,
- &mb_use_ext_pgs, 0,
- sysctl_mb_use_ext_pgs, "IU",
+SYSCTL_PROC(_kern_ipc, OID_AUTO, mb_use_ext_pgs,
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH,
+ &mb_use_ext_pgs, 0, sysctl_mb_use_ext_pgs, "IU",
"Use unmapped mbufs for sendfile(2) and TLS offload");
static quad_t maxmbufmem; /* overall real memory limit for all mbufs */
@@ -222,8 +222,8 @@
return (error);
}
SYSCTL_PROC(_kern_ipc, OID_AUTO, nmbclusters,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &nmbclusters, 0,
- sysctl_nmbclusters, "IU",
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ &nmbclusters, 0, sysctl_nmbclusters, "IU",
"Maximum number of mbuf clusters allowed");
static int
@@ -244,8 +244,8 @@
return (error);
}
SYSCTL_PROC(_kern_ipc, OID_AUTO, nmbjumbop,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &nmbjumbop, 0,
- sysctl_nmbjumbop, "IU",
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ &nmbjumbop, 0, sysctl_nmbjumbop, "IU",
"Maximum number of mbuf page size jumbo clusters allowed");
static int
@@ -266,8 +266,8 @@
return (error);
}
SYSCTL_PROC(_kern_ipc, OID_AUTO, nmbjumbo9,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &nmbjumbo9, 0,
- sysctl_nmbjumbo9, "IU",
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ &nmbjumbo9, 0, sysctl_nmbjumbo9, "IU",
"Maximum number of mbuf 9k jumbo clusters allowed");
static int
@@ -288,8 +288,8 @@
return (error);
}
SYSCTL_PROC(_kern_ipc, OID_AUTO, nmbjumbo16,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &nmbjumbo16, 0,
- sysctl_nmbjumbo16, "IU",
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ &nmbjumbo16, 0, sysctl_nmbjumbo16, "IU",
"Maximum number of mbuf 16k jumbo clusters allowed");
static int
@@ -310,7 +310,7 @@
return (error);
}
SYSCTL_PROC(_kern_ipc, OID_AUTO, nmbufs,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
&nmbufs, 0, sysctl_nmbufs, "IU",
"Maximum number of mbufs allowed");
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c
--- a/sys/kern/kern_proc.c
+++ b/sys/kern/kern_proc.c
@@ -161,7 +161,13 @@
EVENTHANDLER_LIST_DEFINE(process_exec);
int kstack_pages = KSTACK_PAGES;
-SYSCTL_INT(_kern, OID_AUTO, kstack_pages, CTLFLAG_RD, &kstack_pages, 0,
+SYSCTL_INT(_kern, OID_AUTO, kstack_pages,
+#if !defined(__arm64__)
+ CTLFLAG_RDTUN | CTLFLAG_NOFETCH,
+#else
+ CTLFLAG_RD,
+#endif
+ &kstack_pages, 0,
"Kernel stack size in pages");
static int vmmap_skip_res_cnt = 0;
SYSCTL_INT(_kern, OID_AUTO, proc_vmmap_skip_resident_count, CTLFLAG_RW,
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c
--- a/sys/kern/uipc_socket.c
+++ b/sys/kern/uipc_socket.c
@@ -366,8 +366,8 @@
return (error);
}
SYSCTL_PROC(_kern_ipc, OID_AUTO, maxsockets,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, &maxsockets, 0,
- sysctl_maxsockets, "IU",
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
+ &maxsockets, 0, sysctl_maxsockets, "IU",
"Maximum number of sockets available");
/*
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -320,7 +320,8 @@
static long barrierwrites;
SYSCTL_LONG(_vfs, OID_AUTO, barrierwrites, CTLFLAG_RW | CTLFLAG_STATS,
&barrierwrites, 0, "Number of barrier writes");
-SYSCTL_INT(_vfs, OID_AUTO, unmapped_buf_allowed, CTLFLAG_RD,
+SYSCTL_INT(_vfs, OID_AUTO, unmapped_buf_allowed,
+ CTLFLAG_RDTUN | CTLFLAG_NOFETCH,
&unmapped_buf_allowed, 0,
"Permit the use of the unmapped i/o");
int maxbcachebuf = MAXBCACHEBUF;
diff --git a/sys/x86/x86/cpu_machdep.c b/sys/x86/x86/cpu_machdep.c
--- a/sys/x86/x86/cpu_machdep.c
+++ b/sys/x86/x86/cpu_machdep.c
@@ -688,7 +688,7 @@
}
static int cpu_idle_apl31_workaround;
-SYSCTL_INT(_machdep, OID_AUTO, idle_apl31, CTLFLAG_RW,
+SYSCTL_INT(_machdep, OID_AUTO, idle_apl31, CTLFLAG_RWTUN | CTLFLAG_NOFETCH,
&cpu_idle_apl31_workaround, 0,
"Apollo Lake APL31 MWAIT bug workaround");
@@ -802,7 +802,7 @@
}
SYSCTL_PROC(_machdep, OID_AUTO, idle,
- CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
+ CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_NOFETCH | CTLFLAG_MPSAFE,
0, 0, cpu_idle_sysctl, "A",
"currently selected idle function");

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