freebsd-dev/sys/vm
Konstantin Belousov d239bd3ccc Do not drop vm_map lock between doing vm_map_remove() and vm_map_insert().
For this, introduce vm_map_fixed() that does that for MAP_FIXED case.

Dropping the lock allowed for parallel thread to occupy the freed space.

Reported by:	Tijl Coosemans <tijl ulyssis org>
Reviewed by:	alc
Approved by:	re (kensmith)
MFC after:	2 weeks
2007-08-20 12:05:45 +00:00
..
default_pager.c
device_pager.c Remove comment that is no longer quite true. 2007-08-18 16:41:31 +00:00
memguard.c Improve memguard a bit: 2005-12-30 11:45:07 +00:00
memguard.h Improve memguard a bit: 2005-12-30 11:45:07 +00:00
phys_pager.c Fix the phys_pager in the way similar to the rev. 1.83 of the 2007-08-18 16:40:33 +00:00
pmap.h Complete the transition from pmap_page_protect() to pmap_remove_write(). 2006-08-01 19:06:06 +00:00
redzone.c Add buffer corruption protection (RedZone) for kernel's malloc(9). 2006-01-31 11:09:21 +00:00
redzone.h Add buffer corruption protection (RedZone) for kernel's malloc(9). 2006-01-31 11:09:21 +00:00
swap_pager.c Consider a scenario in which one processor, call it Pt, is performing 2007-08-05 21:04:32 +00:00
swap_pager.h - Move 'struct swdevt' back into swap_pager.h and expose it to userland. 2007-02-07 17:43:11 +00:00
uma_core.c Revert VMCNT_* operations introduction. 2007-05-31 22:52:15 +00:00
uma_dbg.c Improve canonicalization of copyrights. Order copyrights by order of 2005-07-16 09:51:52 +00:00
uma_dbg.h Improve canonicalization of copyrights. Order copyrights by order of 2005-07-16 09:51:52 +00:00
uma_int.h Update stale comment on protecting UMA per-CPU caches: we now use 2007-05-09 22:53:34 +00:00
uma.h Add uma_set_align() interface, which will be called at most once during 2007-02-11 20:13:52 +00:00
vm_contig.c Enable the new physical memory allocator. 2007-06-16 04:57:06 +00:00
vm_extern.h Close race between vmspace_exitfree() and exit1() and races between 2006-05-29 21:28:56 +00:00
vm_fault.c Two changes to vm_fault_additional_pages(): 2007-07-20 06:55:11 +00:00
vm_glue.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
vm_init.c Add the vm.exec_map_entries tunable and read-only sysctl, which controls 2005-04-25 19:22:05 +00:00
vm_kern.c When KVA is exhausted, try the vm_lowmem event for the last time before 2007-04-05 20:52:51 +00:00
vm_kern.h The clean_map has been made local to vm_init.c long ago. 2006-11-20 16:23:34 +00:00
vm_map.c Do not drop vm_map lock between doing vm_map_remove() and vm_map_insert(). 2007-08-20 12:05:45 +00:00
vm_map.h Do not drop vm_map lock between doing vm_map_remove() and vm_map_insert(). 2007-08-20 12:05:45 +00:00
vm_meter.c Add a counter for the total number of pages cached and support for 2007-07-27 20:01:22 +00:00
vm_mmap.c Do not drop vm_map lock between doing vm_map_remove() and vm_map_insert(). 2007-08-20 12:05:45 +00:00
vm_object.c Enable the new physical memory allocator. 2007-06-16 04:57:06 +00:00
vm_object.h Eliminate OBJ_WRITEABLE. It hasn't been used in a long time. 2006-07-21 06:40:29 +00:00
vm_page.c Add a counter for the total number of pages cached and support for 2007-07-27 20:01:22 +00:00
vm_page.h Update a comment describing the page queues. 2007-07-13 04:42:20 +00:00
vm_pageout.c In the previous revision, when I replaced the unconditional acquisition 2007-07-02 06:56:37 +00:00
vm_pageout.h
vm_pageq.c Enable the new physical memory allocator. 2007-06-16 04:57:06 +00:00
vm_pager.c Consider a scenario in which one processor, call it Pt, is performing 2007-08-05 21:04:32 +00:00
vm_pager.h Update some comments to reflect the change from spl-based to lock-based 2005-05-18 22:08:52 +00:00
vm_param.h Correct two comments. 2007-04-19 04:52:47 +00:00
vm_phys.c Eliminate two unused functions: vm_phys_alloc_pages() and 2007-07-14 21:21:17 +00:00
vm_phys.h Eliminate two unused functions: vm_phys_alloc_pages() and 2007-07-14 21:21:17 +00:00
vm_unix.c
vm_zeroidle.c Eliminate dead code, specifically, an unused sysctl: "vm.idlezero_maxrun". 2007-07-14 19:00:44 +00:00
vm.h Retire debug.mpsafevm. None of the architectures supported in CVS require 2006-07-21 23:22:49 +00:00
vnode_pager.c When we do open, we should lock the vnode exclusively. This fixes few races: 2007-07-26 16:58:09 +00:00
vnode_pager.h