Alan Cox 36daaecd04 Implement a variant locking scheme for vm maps: Access to system maps ... is now synchronized by a mutex, whereas access to user maps is still synchronized by a lockmgr()-based lock. Why? No single type of lock, including sx locks, meets the requirements of both types of vm map. Sometimes we sleep while holding the lock on a user map. Thus, a a mutex isn't appropriate. On the other hand, both lockmgr()-based and sx locks release Giant when a thread/process blocks during contention for a lock. This could lead to a race condition in a legacy driver (that relies on Giant for synchronization) if it attempts to kmem_malloc() and fails to immediately obtain the lock. Fortunately, we never sleep while holding a system map lock.		2002-12-31 19:38:04 +00:00
..
default_pager.c	Remove references to vm_zone.h and switch over to the new uma API.	2002-03-20 04:02:59 +00:00
device_pager.c	o Lock accesses to the page queues.	2002-07-12 02:55:55 +00:00
phys_pager.c	Increase the scope of the page queues lock in phys_pager_getpages().	2002-12-27 06:09:56 +00:00
pmap.h	Move pmap_collect() out of the machine-dependent code, rename it	2002-11-13 05:39:58 +00:00
swap_pager.c	Hold the page queues lock when performing vm_page_flag_set().	2002-12-18 04:02:02 +00:00
swap_pager.h	This is David Schultz's swapoff code which I am finally able to commit.	2002-12-15 19:17:57 +00:00
uma.h	Fix typo in comments (misspelled "necessary").	2002-10-22 12:10:27 +00:00
uma_core.c	- Wakeup the correct address when a zone is no longer full.	2002-11-18 08:27:14 +00:00
uma_dbg.c	atomic_set_8 isn't MI. Instead, follow Jake's suggestions about	2002-11-11 11:50:03 +00:00
uma_dbg.h	- Use my freebsd email alias in the copyright.	2002-09-19 06:05:32 +00:00
uma_int.h	- Add support for machine dependant page allocation routines. MD code	2002-11-01 01:01:27 +00:00
vm.h	Change the way ELF coredumps are handled. Instead of unconditionally	2002-12-16 19:24:43 +00:00
vm_contig.c	- Hold the kernel_object's lock around vm_page_insert(..., kernel_object,	2002-12-23 20:39:15 +00:00
vm_extern.h	o Merge vm_fault_wire() and vm_fault_user_wire() by adding a new parameter,	2002-07-24 19:47:56 +00:00
vm_fault.c	Reduce the number of times that we acquire and release the page queues	2002-12-29 07:17:06 +00:00
vm_glue.c	- Hold the page queues lock around vm_page_wakeup().	2002-12-24 04:24:58 +00:00
vm_init.c	Move the definitions of the hw.physmem, hw.usermem and hw.availpages	2002-11-07 23:57:17 +00:00
vm_kern.c	- Mark the kernel_map as a system map immediately after its creation.	2002-12-30 05:55:41 +00:00
vm_kern.h	o Make contigmalloc1() static.	2002-05-22 01:01:37 +00:00
vm_map.c	Implement a variant locking scheme for vm maps: Access to system maps	2002-12-31 19:38:04 +00:00
vm_map.h	Implement a variant locking scheme for vm maps: Access to system maps	2002-12-31 19:38:04 +00:00
vm_meter.c	Eliminate some dead code. (Any possible use for this code died with	2002-12-23 04:35:38 +00:00
vm_mmap.c	Lock page field accesses in mincore().	2002-11-28 08:01:39 +00:00
vm_object.c	- Remove vm_object_init2(). It is unused.	2002-12-29 21:01:14 +00:00
vm_object.h	- Remove vm_object_init2(). It is unused.	2002-12-29 21:01:14 +00:00
vm_page.c	Reduce the number of times that we acquire and release the page queues	2002-12-29 07:17:06 +00:00
vm_page.h	- Remove vm_page_sleep_busy(). The transition to vm_page_sleep_if_busy(),	2002-12-19 07:23:46 +00:00
vm_pageout.c	vm_pager_put_pages() takes VM_PAGER_* flags, not OBJPC_* flags. It just	2002-12-28 21:15:39 +00:00
vm_pageout.h	This is David Schultz's swapoff code which I am finally able to commit.	2002-12-15 19:17:57 +00:00
vm_pageq.c	o Remove dead and/or unused code.	2002-07-20 05:06:20 +00:00
vm_pager.c	o Remove some long dead code: from revision 1.41 of vm/vm_pager.c	2002-07-01 02:38:05 +00:00
vm_pager.h	Allow the VM object flushing code to cluster. When the filesystem syncer	2002-12-28 21:03:42 +00:00
vm_param.h	Make MAXTSIZ, DFLDSIZ, MAXDSIZ, DFLSSIZ, MAXSSIZ, SGROWSIZ loader	2001-10-10 23:06:54 +00:00
vm_swap.c	This is David Schultz's swapoff code which I am finally able to commit.	2002-12-15 19:17:57 +00:00
vm_unix.c	Use the fields in the sysentvec and in the vm map header in place of the	2002-09-21 22:07:17 +00:00
vm_zeroidle.c	- Create a new scheduler api that is defined in sys/sched.h	2002-10-12 05:32:24 +00:00
vnode_pager.c	Allow the VM object flushing code to cluster. When the filesystem syncer	2002-12-28 21:03:42 +00:00
vnode_pager.h	Remove __P.	2002-03-19 22:20:14 +00:00