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2f9e4e8025
freebsd-dev/sys/kern
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Matthew Dillon 2f9e4e8025 Limit the amount of KVM reserved for the buffer cache and for swap-meta 
information.  The default limits only effect machines with > 1GB of ram
and can be overriden with two new kernel conf variables VM_SWZONE_SIZE_MAX
and VM_BCACHE_SIZE_MAX, or with loader variables kern.maxswzone and
kern.maxbcache.  This has the effect of leaving more KVM available for
sizing NMBCLUSTERS and 'maxusers' and should avoid tripups where a sysad
adds memory to a machine and then sees the kernel panic on boot due to
running out of KVM.

Also change the default swap-meta auto-sizing calculation to allocate half
of what it was previously allocating.  The prior defaults were way too high.
Note that we cannot afford to run out of swap-meta structures so we still
stay somewhat conservative here.
2001-08-20 00:41:12 +00:00
..
bus_if.m
device_if.m
genassym.sh
imgact_aout.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
imgact_elf.c Unbreak linux compatibility by providing the correct length of the buffer. 2001-08-18 04:24:30 +00:00
imgact_gzip.c
imgact_shell.c
inflate.c
init_main.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
init_sysent.c
kern_acct.c o Merge contents of struct pcred into struct ucred. Specifically, add the 2001-05-25 16:59:11 +00:00
kern_acl.c
kern_cap.c
kern_clock.c - Close races with signals and other AST's being triggered while we are in 2001-08-10 22:53:32 +00:00
kern_condvar.c Backout mwakeup, etc. 2001-07-06 01:16:43 +00:00
kern_conf.c Make the fmt arguments to make_dev and make_dev_alias const char *. 2001-08-02 20:35:35 +00:00
kern_descrip.c Remove the fildesc_clone() function and its associated unnecessary code. 2001-08-06 05:56:33 +00:00
kern_environment.c Fix some warnings in kern_environment.c. Make the getenv*() family 2001-06-15 07:29:17 +00:00
kern_event.c Introduce EVFILT_TIMER, which allows a process to establish an 2001-07-19 18:34:40 +00:00
kern_exec.c Correct spelling in a comment and remove trailing newline from a 2001-07-11 02:04:43 +00:00
kern_exit.c *** empty log message *** 2001-08-09 01:21:58 +00:00
kern_fork.c Get rid of useless bcopy (the next statement was equivalent) 2001-07-09 19:00:08 +00:00
kern_idle.c
kern_intr.c - Close races with signals and other AST's being triggered while we are in 2001-08-10 22:53:32 +00:00
kern_jail.c Anton kindly pointed out (and fixed) a bug in the Jail handling of the 2001-08-03 18:21:06 +00:00
kern_kthread.c Don't use kp->arg0 as a format string, grr. 2001-07-19 02:18:54 +00:00
kern_ktr.c - Replace the unused KTR_IDLELOOP trace class with a new KTR_WITNESS trace 2001-06-25 23:09:31 +00:00
kern_ktrace.c o Replace calls to p_can(..., P_CAN_xxx) with calls to p_canxxx(). 2001-07-05 17:10:46 +00:00
kern_linker.c Don't try to print a field that doesn't exist; in usually commented 2001-07-31 03:51:07 +00:00
kern_lock.c If we've panic'd already, then just bail in lockmgr rather than blocking or 2001-08-10 23:29:15 +00:00
kern_lockf.c
kern_malloc.c - Remove asleep(), await(), and M_ASLEEP. 2001-08-10 06:45:43 +00:00
kern_mib.c Fix cut/paste blunder. Serves me right for doing a last minute tweak 2001-07-27 15:52:49 +00:00
kern_module.c
kern_mutex.c If we have already panic'd then don't bother enforcing mutex asserts as 2001-07-31 17:45:50 +00:00
kern_ntptime.c
kern_physio.c
kern_proc.c Fix part of another problem that bde pointed out. This is different 2001-08-16 23:43:24 +00:00
kern_prot.c o Modify p_candebug() such that there is no longer automatic acceptance 2001-07-31 17:25:12 +00:00
kern_random.c
kern_resource.c add prototype for dosetrlimit 2001-07-22 00:21:19 +00:00
kern_sema.c Implement kernel semaphores. 2001-08-14 22:13:14 +00:00
kern_shutdown.c Don't dump on the label sector or below. This avoids clobbering the 2001-08-15 11:35:45 +00:00
kern_sig.c Temporarily back out kern_sig.c rev 1.125 and kern_exit.c rev 1.131. 2001-08-01 20:35:24 +00:00
kern_subr.c Remove spl's in uio_yield() that are covered by the sched_lock. 2001-07-03 15:58:37 +00:00
kern_switch.c Spelling fix in a KASSERT: runq_chose -> runq_choose. 2001-07-04 20:00:48 +00:00
kern_sx.c Add sx_try_upgrade() and sx_downgrade(). 2001-08-13 21:25:30 +00:00
kern_synch.c - Close races with signals and other AST's being triggered while we are in 2001-08-10 22:53:32 +00:00
kern_syscalls.c
kern_sysctl.c Make dynamic sysctl entries start at 0x100, not decimal 100 - there are 2001-07-25 17:21:18 +00:00
kern_tc.c
kern_time.c
kern_timeout.c Change callout_stop() to return an integer. If callout_stop() succeeds in 2001-08-10 21:06:59 +00:00
kern_xxx.c
ksched.c - Close races with signals and other AST's being triggered while we are in 2001-08-10 22:53:32 +00:00
link_aout.c With this commit, I hereby pronounce gensetdefs past its use-by date. 2001-06-13 10:58:39 +00:00
link_elf_obj.c Fix some of the GDB linkage setup. The l_name member of the gdb linkage 2001-08-10 23:15:13 +00:00
link_elf.c Fix some of the GDB linkage setup. The l_name member of the gdb linkage 2001-08-10 23:15:13 +00:00
linker_if.m With this commit, I hereby pronounce gensetdefs past its use-by date. 2001-06-13 10:58:39 +00:00
Make.tags.inc Remove vestiges of MFS. 2001-06-01 10:07:28 +00:00
Makefile Remove vestiges of MFS. 2001-06-01 10:07:28 +00:00
makeobjops.pl revert previous commit (bad style and not needed) 2001-07-22 10:24:31 +00:00
makesyscalls.sh
md4c.c
md5c.c
p1003_1b.c o Replace calls to p_can(..., P_CAN_xxx) with calls to p_canxxx(). 2001-07-05 17:10:46 +00:00
posix4_mib.c
subr_acl_posix1e.c
subr_autoconf.c
subr_blist.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
subr_bus.c Move the hints gunk to a seperate file. It isn't really part of the 2001-07-14 08:25:18 +00:00
subr_clist.c
subr_devstat.c Export the head structure for the device statistics STAILQ in 2001-08-04 18:02:47 +00:00
subr_disk.c Don't dump on the label sector or below. This avoids clobbering the 2001-08-15 11:35:45 +00:00
subr_disklabel.c Create a general facility for making dev_t's depend on another 2001-05-26 08:27:58 +00:00
subr_diskmbr.c Create a general facility for making dev_t's depend on another 2001-05-26 08:27:58 +00:00
subr_diskslice.c Create a general facility for making dev_t's depend on another 2001-05-26 08:27:58 +00:00
subr_eventhandler.c Don't try to find an eventhandler list if the list of lists hasn't 2001-07-31 03:52:16 +00:00
subr_hints.c Go back to having either static OR dynamic hints, with fallback 2001-07-14 00:23:10 +00:00
subr_kobj.c
subr_log.c
subr_mbuf.c Rename mb_init() mbuf subsystem initialization routine to mbuf_init(), in 2001-08-03 05:05:32 +00:00
subr_mchain.c
subr_module.c
subr_param.c Limit the amount of KVM reserved for the buffer cache and for swap-meta 2001-08-20 00:41:12 +00:00
subr_pcpu.c
subr_prf.c Make the code to read the kernel message buffer via sysctl machine- 2001-07-03 19:44:07 +00:00
subr_prof.c - Close races with signals and other AST's being triggered while we are in 2001-08-10 22:53:32 +00:00
subr_rman.c Handle NULL struct device *s 2001-05-28 01:00:03 +00:00
subr_sbuf.c Constify the format string. 2001-07-03 21:46:43 +00:00
subr_scanf.c
subr_smp.c - Close races with signals and other AST's being triggered while we are in 2001-08-10 22:53:32 +00:00
subr_taskqueue.c
subr_trap.c - Close races with signals and other AST's being triggered while we are in 2001-08-10 22:53:32 +00:00
subr_turnstile.c If we have already panic'd then don't bother enforcing mutex asserts as 2001-07-31 17:45:50 +00:00
subr_witness.c Make witness compile w/o DDB. 2001-08-10 22:33:59 +00:00
subr_xxx.c
sys_generic.c
sys_pipe.c cleanup: GIANT macros, rename DEPRECIATE to DEPRECATE 2001-07-04 17:11:03 +00:00
sys_process.c Zap 'ptrace(PT_READ_U, ...)' and 'ptrace(PT_WRITE_U, ...)' since they 2001-08-08 05:25:15 +00:00
sys_socket.c Don't bother passing p to rtioctl just so it can fail to pass it to mrt_ioctl 2001-07-25 20:15:28 +00:00
syscalls.c
syscalls.master Remove a comment which was past its shelf life. 2001-05-29 09:22:22 +00:00
sysv_ipc.c
sysv_msg.c Fix obsolete code. 2001-07-30 19:28:02 +00:00
sysv_sem.c Export via sysctl: 2001-05-30 03:28:59 +00:00
sysv_shm.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
tty_compat.c
tty_conf.c Unstaticize l_nullioctl; it is needed elsewhere (like in tty_snoop.c). 2001-06-04 23:30:47 +00:00
tty_cons.c With this commit, I hereby pronounce gensetdefs past its use-by date. 2001-06-13 10:58:39 +00:00
tty_pty.c Don't remove the SI_CHEAPCLONE for unsupported minors 2001-06-18 09:22:30 +00:00
tty_subr.c
tty_tty.c
tty.c Export the tk_nin and tk_nout variables (number of tty input/output 2001-08-04 18:09:24 +00:00
uipc_accf.c Revert the last bits of my bogus move of NMBCLUSTERS 2001-06-01 21:47:34 +00:00
uipc_domain.c Sync with recent KAME. 2001-06-11 12:39:29 +00:00
uipc_mbuf2.c Sync with recent KAME. 2001-06-11 12:39:29 +00:00
uipc_mbuf.c Forgot to remove this un-needed test. (M_WAITOK won't fail) 2001-08-19 04:30:13 +00:00
uipc_proto.c Implement a LOCAL_PEERCRED socket option which returns a 2001-08-17 22:01:18 +00:00
uipc_sockbuf.c Fix up indentation. 2001-06-29 04:01:38 +00:00
uipc_socket2.c Fix up indentation. 2001-06-29 04:01:38 +00:00
uipc_socket.c
uipc_syscalls.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
uipc_usrreq.c Forgot to remove this un-needed test. (M_WAITOK won't fail) 2001-08-19 04:30:13 +00:00
vfs_acl.c
vfs_aio.c
vfs_bio.c Revert previous accidental commit. FWIW, it was part of enabling 2001-07-27 15:57:17 +00:00
vfs_cache.c
vfs_cluster.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
vfs_conf.c
vfs_default.c With Alfred's permission, remove vm_mtx in favor of a fine-grained approach 2001-07-04 16:20:28 +00:00
vfs_export.c Since the netexport struct was centralised to 'struct mount', 2001-05-29 17:46:52 +00:00
vfs_extattr.c Arbitrarily limit to 64k the number of bytes that can be read at 2001-08-10 22:14:18 +00:00
vfs_init.c
vfs_lookup.c After exhaustive discussions and some meandering and confusion, enough 2001-06-24 05:24:41 +00:00
vfs_mount.c
vfs_subr.c Revert previous accidental commit. FWIW, it was part of enabling 2001-07-27 15:57:17 +00:00
vfs_syscalls.c Arbitrarily limit to 64k the number of bytes that can be read at 2001-08-10 22:14:18 +00:00
vfs_vnops.c
vnode_if.pl
vnode_if.src correct description of `vpp' for mknod/symlink: they are actually 2001-07-24 16:16:00 +00:00