svn commit: r306462 - in head/sys: kern sys
Gleb Smirnoff
glebius at FreeBSD.org
Thu Sep 29 23:07:30 UTC 2016
Author: glebius
Date: Thu Sep 29 23:07:28 2016
New Revision: 306462
URL: https://svnweb.freebsd.org/changeset/base/306462
Log:
Provide kern.maxphys sysctl, which returns MAXPHYS. Naming matches NetBSD.
Modified:
head/sys/kern/kern_mib.c
head/sys/sys/sysctl.h
Modified: head/sys/kern/kern_mib.c
==============================================================================
--- head/sys/kern/kern_mib.c Thu Sep 29 22:52:24 2016 (r306461)
+++ head/sys/kern/kern_mib.c Thu Sep 29 23:07:28 2016 (r306462)
@@ -138,6 +138,9 @@ char kernelname[MAXPATHLEN] = "/kernel";
SYSCTL_STRING(_kern, KERN_BOOTFILE, bootfile, CTLFLAG_RW,
kernelname, sizeof kernelname, "Name of kernel file booted");
+SYSCTL_INT(_kern, KERN_MAXPHYS, maxphys, CTLFLAG_RD | CTLFLAG_CAPRD,
+ SYSCTL_NULL_INT_PTR, MAXPHYS, "Maximum block I/O access size");
+
SYSCTL_INT(_hw, HW_NCPU, ncpu, CTLFLAG_RD|CTLFLAG_CAPRD,
&mp_ncpus, 0, "Number of active CPUs");
Modified: head/sys/sys/sysctl.h
==============================================================================
--- head/sys/sys/sysctl.h Thu Sep 29 22:52:24 2016 (r306461)
+++ head/sys/sys/sysctl.h Thu Sep 29 23:07:28 2016 (r306462)
@@ -835,6 +835,7 @@ TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_e
#define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */
#define KERN_HOSTUUID 36 /* string: host UUID identifier */
#define KERN_ARND 37 /* int: from arc4rand() */
+#define KERN_MAXPHYS 38 /* int: MAXPHYS value */
/*
* KERN_PROC subtypes
*/
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