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15 Commits

Author SHA1 Message Date
chuck
025ae6bd64 remove unused share map code from UVM: 
- update calls to uvm_unmap_remove/uvm_unmap (mainonly boolean arg
	has been removed)
 - replace UVM_ET_ISMAP checks with UVM_ET_ISSUBMAP checks
 1998-10-11 23:18:20 +00:00
mrg
fdc5499c5f back out previous. 1998-09-30 15:44:10 +00:00
tv
8219f068e2 Declare silent success on madvise(). As an advisory call, it is harmless 
to pretend success even though it's not supported, and some emulations
rely on its success.
 1998-09-30 12:07:51 +00:00
eeh
a2dd74ed79 Merge paddr_t changes into the main branch. 1998-08-13 02:10:37 +00:00
thorpej
8d986de632 Add support for mmap'ing disk block devices. 1998-07-07 23:22:13 +00:00
kleink
bb7e6a0bdd Per XSH98, const'ify the `addr' arguments to mlock() and munlock(). 1998-05-30 22:21:03 +00:00
mrg
6b11eea5b2 reject attempts to map an immutable or append-only file, shared with 
write protection.  this stops data corruption where it was possible
to change the in-memory copy of an append-only file (but not the on-disk
copy).  this is documented in NetBSD security advisory 1998-003.  thanks
to darrenr, lukem, cgd, mycroft and mrg for this.
 1998-05-10 12:35:58 +00:00
tv
39b4c2fece mmap() default MAP_SHARED/MAP_PRIVATE is `DEBUG'', not `DIAGNOSTIC'' 1998-04-01 21:43:52 +00:00
kleink
6618749e5a Per XPG, if the file descriptor argument to mmap() refers to a file whose 
type is not supported (neither VREG nor VCHR, or not a vnode at all), fail
with ENODEV instead of EINVAL.
 1998-03-28 16:58:04 +00:00
mrg
8106d13596 KNF. 1998-03-09 00:58:55 +00:00
mycroft
24e6e6a0e7 Convert MAP_PRIVATE device mappings to MAP_SHARED on *all* platforms, not just 
the SPARC.
Remove the #ifdef COMPAT_13 for automatically adding a sharing type, since the
interface is *supposed* to support this.
Also modify the DIAGNOSTIC messages here a bit.
 1998-03-03 14:34:10 +00:00
mrg
d90485202c - add defopt's for UVM, UVMHIST and PMAP_NEW. 
- remove unnecessary UVMHIST_DECL's.
 1998-02-10 14:08:44 +00:00
mrg
1f6b921cf7 restore rcsids 1998-02-07 11:07:38 +00:00
thorpej
9eb328b495 RCS ID police. 1998-02-06 22:26:13 +00:00
mrg
f2caacc717 initial import of the new virtual memory system, UVM, into -current. 
UVM was written by chuck cranor <chuck@maria.wustl.edu>, with some
minor portions derived from the old Mach code.  i provided some help
getting swap and paging working, and other bug fixes/ideas.  chuck
silvers <chuq@chuq.com> also provided some other fixes.

this is the UVM kernel code portion.


this will be KNF'd shortly.  :-)
 1998-02-05 06:25:08 +00:00