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freebsd-src/sys/conf/options

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Add an option "EXTRA_VNODES" to cause an extra number of vnode structures to be allocated at boot time. This is an expensive option, as they consume physical ram and are not pageable etc. In certain situations, this kind of option is quite useful, especially for news servers that access a large number of directories at random and torture the name cache. Defining 5000 or 10000 extra vnodes should cut down the amount of vnode recycling somewhat, which should allow better name and directory caching etc. This is a "your mileage may vary" option, with no real indication of what works best for your machine except trial and error. Too many will cost you ram that you could otherwise use for disk buffers etc. This is based on something John Dyson mentioned to me a while ago.
1996-05-31 00:20:34 +00:00
# $Id: options,v 1.12 1996/05/11 04:39:37 bde Exp $
Added newlines and punctuation. Removed defunct options. It will be easy to keep track of bogus options by looking at CFLAGS when all real options are moved out of CFLAGS.
1996-03-29 13:51:30 +00:00
Add more options into the conf/options and i386/conf/options.i386 files and the #include hooks so that 'make depend' is more useful. This covers most of the options I regularly use (but not all) and some other easy ones.
1996-03-02 18:24:13 +00:00
# Option name filename
Added newlines and punctuation. Removed defunct options. It will be easy to keep track of bogus options by looking at CFLAGS when all real options are moved out of CFLAGS.
1996-03-29 13:51:30 +00:00
Convert BOUNCE_BUFFERS and BOUNCEPAGES to new option scheme.
1996-01-05 20:12:53 +00:00
BOUNCE_BUFFERS opt_bounce.h
Convert DDB to new-style option.
1996-01-04 21:13:23 +00:00
DDB
Add DDB_UNATTENDED to opt_ddb.h where it belongs.
1996-05-05 02:26:57 +00:00
DDB_UNATTENDED opt_ddb.h
Add more options into the conf/options and i386/conf/options.i386 files and the #include hooks so that 'make depend' is more useful. This covers most of the options I regularly use (but not all) and some other easy ones.
1996-03-02 18:24:13 +00:00
KTRACE
Hide options for emulators and static file systems in opt_dontuse.h. These options only apply at config time. Using them at compile time would break the corresponding lkms.
1996-05-11 04:39:53 +00:00
# Options for static file systems. These should only be used at config
# time, since the corresponding lkms cannot work if there are any static
# dependencies. Unusability is enforced by hiding the defines for the
# options in a never-included header.
FDESC opt_dontuse.h
KERNFS opt_dontuse.h
NULLFS opt_dontuse.h
PORTAL opt_dontuse.h
PROCFS opt_dontuse.h
UMAPFS opt_dontuse.h
# The union static file system has bogus static dependencies, so it isn't
# hidden yet.
UNION
Convert QUOTA to new-style option.
1996-01-05 18:31:58 +00:00
QUOTA
Convert SYSV IPC to new-style options. (I hope I got everything...) The LKMs will need an extra file, to come later.
1996-01-04 20:29:06 +00:00
SYSVSHM opt_sysvipc.h
SYSVSEM opt_sysvipc.h
SYSVMSG opt_sysvipc.h
Add more options into the conf/options and i386/conf/options.i386 files and the #include hooks so that 'make depend' is more useful. This covers most of the options I regularly use (but not all) and some other easy ones.
1996-03-02 18:24:13 +00:00
UCONSOLE
Added newlines and punctuation. Removed defunct options. It will be easy to keep track of bogus options by looking at CFLAGS when all real options are moved out of CFLAGS.
1996-03-29 13:51:30 +00:00
# Options used only in param.c.
Add an option "EXTRA_VNODES" to cause an extra number of vnode structures to be allocated at boot time. This is an expensive option, as they consume physical ram and are not pageable etc. In certain situations, this kind of option is quite useful, especially for news servers that access a large number of directories at random and torture the name cache. Defining 5000 or 10000 extra vnodes should cut down the amount of vnode recycling somewhat, which should allow better name and directory caching etc. This is a "your mileage may vary" option, with no real indication of what works best for your machine except trial and error. Too many will cost you ram that you could otherwise use for disk buffers etc. This is based on something John Dyson mentioned to me a while ago.
1996-05-31 00:20:34 +00:00
EXTRAVNODES opt_param.h
Add more options into the conf/options and i386/conf/options.i386 files and the #include hooks so that 'make depend' is more useful. This covers most of the options I regularly use (but not all) and some other easy ones.
1996-03-02 18:24:13 +00:00
NMBCLUSTERS opt_param.h
SHMMAXPGS opt_param.h
SHMMAX opt_param.h
SHMMIN opt_param.h
SHMMNI opt_param.h
SHMSEG opt_param.h
SHMALL opt_param.h
SEMMAP opt_param.h
SEMMNI opt_param.h
SEMMNS opt_param.h
SEMMNU opt_param.h
SEMMSL opt_param.h
SEMOPM opt_param.h
SEMUME opt_param.h
SEMUSZ opt_param.h
SEMVMX opt_param.h
SEMAEM opt_param.h
MSGMAX opt_param.h
MSGMNI opt_param.h
MSGMNB opt_param.h
MSGTQL opt_param.h
MSGSSZ opt_param.h
MSGSEG opt_param.h
NBUF opt_param.h
Added newlines and punctuation. Removed defunct options. It will be easy to keep track of bogus options by looking at CFLAGS when all real options are moved out of CFLAGS.
1996-03-29 13:51:30 +00:00
# Generic SCSI options.
Add more options into the conf/options and i386/conf/options.i386 files and the #include hooks so that 'make depend' is more useful. This covers most of the options I regularly use (but not all) and some other easy ones.
1996-03-02 18:24:13 +00:00
SCSI_REPORT_GEOMETRY opt_scsi.h
SCSI_DELAY opt_scsi.h
Added newlines and punctuation. Removed defunct options. It will be easy to keep track of bogus options by looking at CFLAGS when all real options are moved out of CFLAGS.
1996-03-29 13:51:30 +00:00
# Resource limits.
Add more options into the conf/options and i386/conf/options.i386 files and the #include hooks so that 'make depend' is more useful. This covers most of the options I regularly use (but not all) and some other easy ones.
1996-03-02 18:24:13 +00:00
CHILD_MAX opt_rlimit.h
OPEN_MAX opt_rlimit.h
Added newlines and punctuation. Removed defunct options. It will be easy to keep track of bogus options by looking at CFLAGS when all real options are moved out of CFLAGS.
1996-03-29 13:51:30 +00:00
# Net stuff.
Add more options into the conf/options and i386/conf/options.i386 files and the #include hooks so that 'make depend' is more useful. This covers most of the options I regularly use (but not all) and some other easy ones.
1996-03-02 18:24:13 +00:00
MROUTING opt_mrouting.h
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