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242 Commits

Author SHA1 Message Date
tls 127c6b54e7 Sigh. I initially had this exactly backwards: the object needs to be locked, the vnode does *not*. Avoids panic: locking against myself quickly reported by Charles. 1997-02-17 13:10:28 +00:00
tls a507fda378 vnode_pager_sync bugs: A) must lock the object, not just the vnode. B) Don't remove the object from paging queues, because we'd have to put it back on one. The pagedaemon will eventually take care of this for us anyway. This was causing us to *lose track of pages completely* every time vnode_pager_sync() was called... sigh. Credit goes to mycroft for untangling this mess. 1997-02-17 06:22:52 +00:00
tls 4b1213d27c sync needs to clean VM objects backed by vnode pagers 1997-02-13 02:54:06 +00:00
mrg 491e8af174 minor KNF from jason. 1997-02-05 08:26:25 +00:00
mrg eadd7792d9 add thread_sleep_msg() that takes a wait message, and change thread_sleep() 
into a macro for backwards compat.  alter vm_object_sleep() to take advantage
of this.
 1997-02-05 08:09:45 +00:00
mrg 85328f7b35 KNF. 1997-02-05 07:48:42 +00:00
thorpej 593fdd462d NFSCLIENT -> NFS 1997-01-31 03:06:06 +00:00
thorpej b7a5b84750 Treat the nswdev == 0 case like the nswap == 0 case; don't panic, just 
report no swap space.  Suggested by Leo Weppleman <leo@netbsd.org>.
 1997-01-22 07:28:21 +00:00
mrg 4f2a217c2b pull up vm_object_collapse() fix from mrg_vm_object_collapse branch. 
many thanks to niklas hallqvist (niklas@appli.se) for this.
 1997-01-03 18:03:14 +00:00
mrg f3d9c468e1 minor KNF changes. 1997-01-03 18:00:25 +00:00
cgd 8a3333b2a9 Fix an inconsistency that came in with Lite: setrq() was renamed to 
setrunqueue(), but remrq() was never renamed.  Rename remrq() to
remrunqueue().
 1996-11-06 20:19:19 +00:00
cgd ee08818e7a Fix an inconsistency that came in with Lite: setrq() was renamed to 
setrunqueue(), but remrq() was never renamed.  Rename remrq() to
remrunqueue().  Also, move remrunqueue() prototype from vm/vm_extern.h
to sys/proc.h, so that it's in the same place as the setrunqueue() prototype
and other related prototypes.
 1996-11-06 19:33:39 +00:00
gwr f5927ca260 Minor nit in my change regarding const and non-ansi code... 1996-10-27 21:50:33 +00:00
gwr 2ada6af51b Oops, part of that last commit was not meant to go in. 
The definitions of va_alist, va_dcl belong elsewhere.
 1996-10-27 20:50:00 +00:00
gwr a0d9bd5bb2 The hack-ish tricks to make the ANSI-style va_start macro work in 
non-ANSI mode were not quite complete.  This makes non-ANSI work.
Perhaps it would be better to eliminate this hack altogether...
 1996-10-27 20:30:52 +00:00
matthias 3ff0c0553e * The kernel-stack no longer needs to be wired-down on the pc532. 1996-10-23 07:20:09 +00:00
perry 9ab047883b Fix unused variable -Wxxx failure when MINIROOTSIZE defined. 1996-10-21 01:32:38 +00:00
christos 3dc7953eec back out previous kprintf changes 1996-10-12 21:50:05 +00:00
christos de1b2b437e printf -> kprintf, sprintf -> ksprintf 1996-10-10 17:16:17 +00:00
ws 2da166f660 Fix p_nice vs. NZERO code. 
Change NZERO to 20 to always make p_nice positive.
On Christos' suggestion make p_nice explicitly u_char.
 1996-10-02 18:04:56 +00:00
mrg 2fc2b98d83 make pageout sleep on vm_pages_needed rather than lbolt. this stops 
pathological behaviour (freezes) when running short of free pages.  see
PR#2755 for a more detailed explanation (from jonathan).

thanks to john dyson for the first cut of this change.
 1996-09-18 02:04:50 +00:00
cgd 62034405e6 allow kmem_malloc to return NULL if canwait is set and there's no map space 
left, rather than panic()ing.  This allows callers to set their own policy
for how to handle the shortage.  Add a few comments.
 1996-06-13 16:52:06 +00:00
pk 7acbd9511d Make v_swpin & v_swpout tick. 1996-05-29 21:20:11 +00:00
mrg 047dfa8524 count pagein faults in struct user. (from kenneth stailey pr#1397]) 1996-05-20 17:40:02 +00:00
ragge 621153ce0e The unexpected remove of active kstack does happen on vax also, 
not only on pc532. I've verivied that this "fix" work.
 1996-05-19 10:00:38 +00:00
christos a818b81625 Added missing prototypes from <sys/cpu.h> 1996-04-23 12:25:23 +00:00
pk 37a292dea0 Make prototyping of most functions conditional on `PMAP_EXCLUDE_DECLS'. 
This allows MD pmap.h to implement access to those functions via pointers.
 1996-03-31 22:15:32 +00:00
christos ff63e6c744 Change %r -> %: as for recursive printf's 1996-03-30 21:50:45 +00:00
christos 3cc52443b5 Fix vm_offset_t (unsigned long) and vm_size_t (unsigned long) printf arguments 
to %lx and %ld instead of %x and %d.
 1996-03-16 23:15:18 +00:00
gwr f6925cfbf3 Replace vm_object_prefer with PMAP_PREFER. 1996-02-28 22:39:13 +00:00
gwr fdb309615e Remove vm_object_prefer. VM code now calls PMAP_PREFER directly. 1996-02-28 22:35:35 +00:00
mycroft 8d110517c8 We no longer need the old hack for allocating the u-area on the i386. 1996-02-18 22:53:43 +00:00
christos c048d7ba68 fix a printf warning and add pmap_page_index declaration 1996-02-12 21:51:52 +00:00
christos d0fd3d7e62 Don't declare pmap_page_index for now. It will break the arm port. 
This clearly needs to be fixed. I would like to declare it:

    __pure u_int     pmap_page_index __P((vm_offset_t));

but at least the arm port wants it signed [since it tests for -1 all over
the place]. Can we have this fixed please?
 1996-02-10 00:30:39 +00:00
christos b7b8db60ac change pmap_page_index to return __pure u_int, like in the majority of 
the ports
 1996-02-10 00:20:09 +00:00
christos 03b1ad4cb4 One more cleanup pass to change %x to %p for pointers 1996-02-10 00:07:59 +00:00
christos 46d49e500e Account for __FORK_BRAINDAMAGE.. 1996-02-05 20:32:25 +00:00
christos bcabcefdcd VM prototype changes 1996-02-05 01:53:47 +00:00
christos bac60f4e4e Remove unused argument from vsunlock 1996-02-04 02:09:41 +00:00
mycroft fbb022ab48 Trivial change for consistency. 1996-01-31 03:11:16 +00:00
mycroft ebfe9ee154 Minor changes. 1995-12-21 04:44:27 +00:00
mycroft fee1a345eb Only expect vm_fork() to return if __FORK_BRAINDAMAGE is defined. 
Eliminate unused third arg to vm_fork().
 1995-12-09 04:28:16 +00:00
pk 785c98a0cc Oops. 1995-12-06 00:38:11 +00:00
pk 801712f01a Extend use of vm_object_prefer() to vm_allocate_with_pager(). 
Make vm_object_prefer() call MD aligner for "pageless" objects too,
so we can have more control over the virtual address to be used.

Implementation could be simpler if we by-pass the object to mapped, but
we'd loose the ability to adapt alignment to objects that were previously
mmap'ed with MAP_FIXED on.
 1995-12-05 22:54:36 +00:00
mycroft 2dd293d3c3 Add hooks for COMPAT_FREEBSD, from Noriyuki Soda. 1995-10-10 01:26:36 +00:00
mycroft 245f292fed Prefix names of system call implementation functions with `sys_'. 1995-10-07 06:25:19 +00:00
thorpej fbbf585f72 Remove spurious (and incorrect) prototype for swapon(), pointed out 
by Chris Demetriou.
 1995-09-27 20:30:17 +00:00
thorpej 7160dfc805 Make system calls conform to a standard prototype and bring those 
prototypes into scope.
 1995-09-19 21:57:36 +00:00
gwr 5520ccdbf9 Preserve miniroot when (swdevt[i].sw_vp == rootvp) 1995-09-18 21:21:00 +00:00
mycroft 67daa4706d Add PHOLD() and PRELE() macros, used to hold a process in core and release it. 1995-08-13 09:04:43 +00:00