diff options
Diffstat (limited to 'sys/kern/subr_param.c')
| -rw-r--r-- | sys/kern/subr_param.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c index 825a3a0..a2e822c 100644 --- a/sys/kern/subr_param.c +++ b/sys/kern/subr_param.c @@ -92,6 +92,7 @@ int maxfiles; /* sys. wide open files limit */ int maxfilesperproc; /* per-proc open files limit */ int msgbufsize; /* size of kernel message buffer */ int nbuf; +int bio_transient_maxcnt; int ngroups_max; /* max # groups per process */ int nswbuf; pid_t pid_max = PID_MAX; @@ -118,6 +119,9 @@ SYSCTL_LONG(_kern, OID_AUTO, maxswzone, CTLFLAG_RDTUN, &maxswzone, 0, "Maximum memory for swap metadata"); SYSCTL_LONG(_kern, OID_AUTO, maxbcache, CTLFLAG_RDTUN, &maxbcache, 0, "Maximum value of vfs.maxbufspace"); +SYSCTL_INT(_kern, OID_AUTO, bio_transient_maxcnt, CTLFLAG_RDTUN, + &bio_transient_maxcnt, 0, + "Maximum number of transient BIOs mappings"); SYSCTL_ULONG(_kern, OID_AUTO, maxtsiz, CTLFLAG_RW | CTLFLAG_TUN, &maxtsiz, 0, "Maximum text size"); SYSCTL_ULONG(_kern, OID_AUTO, dfldsiz, CTLFLAG_RW | CTLFLAG_TUN, &dfldsiz, 0, @@ -266,6 +270,8 @@ init_param1(void) pid_max = PID_MAX; else if (pid_max < 300) pid_max = 300; + + TUNABLE_INT_FETCH("vfs.unmapped_buf_allowed", &unmapped_buf_allowed); } /* @@ -322,6 +328,7 @@ init_param2(long physpages) */ nbuf = NBUF; TUNABLE_INT_FETCH("kern.nbuf", &nbuf); + TUNABLE_INT_FETCH("kern.bio_transient_maxcnt", &bio_transient_maxcnt); /* * The default for maxpipekva is min(1/64 of the kernel address space, |
