e21b4568e2
When a reference is made to a hole in a swap file, panic. The optimal
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thing would be to allocate the block, but I don't know how to do this.
The panic is preferable to the random memory corruption the old code
was causing.
1998-12-26 06:25:59 +00:00
cc2f45083b
update outdated an_swslot comments
1998-11-20 19:37:06 +00:00
d39ed4e552
check the return value of d_mmap before pmap_phys_address() gets hold of it.
1998-11-19 05:23:26 +00:00
281eb8b87a
remove bogus permission check in uvm_map_clean(). fixes mmap/msync
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problem discussed/reported by jonathan and Andreas Wrede <andreas@planix.com>.
1998-11-15 04:38:19 +00:00
7c037b7009
Clear B_NOCACHE when we're done with the buffer -- although this is probably
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pointless.
1998-11-08 19:41:49 +00:00
6422baa1c0
Set the B_NOCACHE bit so that NFSv3 will not try to do async writes.
1998-11-08 19:37:12 +00:00
7c0d69c3ab
minor KNF nits
1998-11-07 05:50:19 +00:00
28411139b3
be consistent with locking of amaps and anons when freeing them.
1998-11-04 07:07:22 +00:00
e4c4ea06b4
remove outdated comment.
1998-11-04 07:06:05 +00:00
23ed4b5656
we must unlock a vp's object's lock before calling vrele().
1998-11-04 06:21:40 +00:00
bba8470ccb
KNF a missing bit. remove register.
1998-10-24 13:32:34 +00:00
c71ccab136
Defopt SYSVMSG, SYSVSEM and SYSVSHM.
1998-10-19 22:21:19 +00:00
549cd579e5
shift by PAGE_SHIFT instead of multiplying or dividing by PAGE_SIZE.
1998-10-18 23:49:59 +00:00
000978aaca
Check for gcc the Right way when quashing -Wuninitialized goop.
1998-10-16 19:34:57 +00:00
025ae6bd64
remove unused share map code from UVM:
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- 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
03939069dc
remove unused share map code from UVM:
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- update uvm_faultinfo's rvaddr to orig_rvaddr to match changes from
uvm_fault.h
1998-10-11 23:16:20 +00:00
2d4c15ebc9
remove unused share map code from UVM:
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- replace map checks with submap checks
- get rid of unused 'mainonly' arg in uvm_unmap/uvm_unmap_remove, simplify
code. update all calls to reflect this.
- don't worry about unmapping or changing the protection of shared share
map mappings (is_main_map no longer used).
- remove unused uvm_map_sharemapcopy() function from fork code.
1998-10-11 23:14:47 +00:00
1b59a238c4
remove unused share map code from UVM:
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- simplify uvm_faultinfo in uvm_fault.h (parent map tracking no longer needed)
- adjust locking and lookup functions in uvm_fault_i.h to reflect the above
- replace ufi.rvaddr with ufi.orig_rvaddr in uvm_fault.c since rvaddr is
no longer needed.
- no need to worry about share map translations in uvm_fault(). simplify.
1998-10-11 23:07:42 +00:00
8ffef382dd
remove unused share map code from UVM:
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- udv_fault() no longer has to worry about share map address translations
on device faults. simplify code.
1998-10-11 23:02:31 +00:00
a4d3b16d22
remove unused share map code from UVM:
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dump UVM_ET_MAP/UVM_ET_ISMAP. if you need to detect a submap use
UVM_ET_SUBMAP/UVM_ET_ISSUBMAP.
1998-10-11 22:59:53 +00:00
495b6aafdc
fix ppref botch. establish ppref at split time before we add the duplicate
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reference.
1998-10-08 19:47:50 +00:00
fdc5499c5f
back out previous.
1998-09-30 15:44:10 +00:00
8219f068e2
Declare silent success on madvise(). As an advisory call, it is harmless
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to pretend success even though it's not supported, and some emulations
rely on its success.
1998-09-30 12:07:51 +00:00
feb1d22dcc
NCPU > 1 -> MULTIPROCESSOR
1998-09-24 23:00:43 +00:00
1e2aeb4a35
Add a comment documenting the last change.
1998-09-18 19:28:22 +00:00
5dd4b45577
Don't use the nointr pool page allocator for the uao_swhash_elt pool. We
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need to ensure that these come from a non-pageable kernel map, otherwise
we can run into a deadlock condition (as noticed by Chuck Silvers).
1998-09-18 19:27:20 +00:00
28904fca48
Implement uvm_exit(), which frees VM resources when a process finishes
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exiting.
1998-09-08 23:44:21 +00:00
d2d3f83fd7
Panic instead failing the syscall on an impossible condition (from Robert Elz).
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Plug possible memory leakage with the recently added device path stuff.
1998-09-06 23:09:39 +00:00
38e7a08bed
Allocate vm_anon arrays from kernel_map, not via MALLOC(). Helps relieve
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much of UVM's kmem_map usage.
1998-08-31 02:43:14 +00:00
d865961d77
Back out previous; I should have instrumented the benefit of this one
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first.
1998-08-31 01:54:14 +00:00
7338d4e403
Use the pool allocator and the "nointr" pool page allocator for vm_map's.
1998-08-31 01:50:08 +00:00
be8d09cda3
Use the pool allocator and the "nointr" pool page allocator for dynamically
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allocated vm_map_entry's.
1998-08-31 01:10:15 +00:00
99626224a7
Use the pool allocator and the "nointr" pool page allocator for vmspace
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structures.
1998-08-31 00:20:26 +00:00
694e9583aa
Make sure the aobj_pager gets initialized!
1998-08-31 00:03:02 +00:00
5a4981d9b8
Use the pool allocator w/ the "nointr" pool page allocator for uvm_aobj
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and uao_swhash_elt structures. Also, fix a bug in uao_set_swlot() where
if setting the swslot to 0 (freeing swap resources), and no swslot was
currently allocated, a new entry would be allocated anyhow (revealed during
pool'ification).
1998-08-31 00:01:59 +00:00
71ba20edbb
Define `len' as size_t rather than int so that correct type is passed
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as fourth argument of copystr.
1998-08-30 03:08:43 +00:00
edda33e00c
move <vm/vm_swap.h> to <sys/swap.h>. <vm/vm_swap.h> still works for now (goes away later)
1998-08-29 17:01:14 +00:00
b5f69ff667
add a `char se_path[PATH_MAX]' member to struct swapent, that
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the pathname of the swap device is saved into. add a char *swd_path
member to struct swapdev, that contains a copy of the pathname
(using malloc(9)). rename swapctl(2)'s SWAP_STATS to SWAP_OSTATS,
and add a new SWAP_STATS command (number). make swapctl(SWAP_STATS,
...) [new version] copy the path out. if COMPAT_13, also include
support for SWAP_OSTATS. also fix a minor bug in swapctl(2).
the point of this is that swapfiles are now shown in `swapctl -l'.
1998-08-29 13:27:50 +00:00
e554af53c2
Use the pool allocator (and the "nointr" pool page allocator) for
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vm_amap structures.
1998-08-29 01:05:28 +00:00
7cad30cd22
Add a couple of comments about how the pool page allocator functions
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can be called with a map that doens't require spl protection.
1998-08-28 21:16:23 +00:00
77d0a69569
Add a waitok boolean argument to the VM system's pool page allocator backend.
1998-08-28 20:05:48 +00:00
9b25897ec0
minor consistency nit: the page index into an anon object is always
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assigned to from integer types, and it is compared to integers. So
let it be an integer instead of vsize_t.
1998-08-13 17:32:46 +00:00
a2dd74ed79
Merge paddr_t changes into the main branch.
1998-08-13 02:10:37 +00:00
2c8717021d
bzero->memset, bcopy->memcpy, bcmp->memcmp
1998-08-09 22:36:37 +00:00
45d17e02f7
We need to be able to specify a uvm_object to the pool page allocator, too.
1998-08-01 01:39:03 +00:00
55bf1fd9ad
Allow an alternate splimp-protected map to be specified in the pool page
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allocator routines.
1998-07-31 20:46:36 +00:00
e95c22ee96
Don't cast the null residual pointer passed to vn_rdwr().
1998-07-28 18:17:34 +00:00
8325d058bf
Implement uvm_km_{alloc,free}_poolpage(). These functions use pmap hooks to
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map/unmap pool pages if provided by the pmap layer.
1998-07-24 20:28:48 +00:00
7d8833a179
Put back swap_data_lock, which was apparently deleted accidentally during
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the last round of changes. (I noticed it because I run my kernels w/
LOCKDEBUG.)
1998-07-24 18:46:02 +00:00
363f729ada
Use memory pools to allocate swap buffers. Allocations are all dynamic;
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in particular `nswbuf' is gone, as is the private "struct buf" list that
was previously maintained in here.
1998-07-23 20:51:09 +00:00
marc