Konstantin Belousov eb4d6a1b3b Fix inconsistent locking of the swap pager named objects list. ... Right now, all modifications of the list are locked by sw_alloc_mtx. But initial lookup of the object by the handle in swap_pager_alloc() is not protected by sw_alloc_mtx, which means that vm_pager_object_lookup() could follow freed pointer. Create a new named swap object with the OBJT_SWAP type, instead of OBJT_DEFAULT. With this change, swp_pager_meta_build() never need to upgrade named OBJT_DEFAULT to OBJT_SWAP (in the other place, we do not forbid for client code to create named OBJT_DEFAULT objects at all). That change allows to remove sw_alloc_mtx and make the list locked by sw_alloc_sx lock. Update swap_pager_copy() to new locking mode. Create helper swap_pager_alloc_init() to consolidate named and anonymous swap objects creation, while a caller ensures that the neccesary locks are held around the helper. Reviewed by: alc Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Approved by: re (hrs)		2016-06-13 03:42:46 +00:00
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_vm_radix.h
default_pager.c	A change to KPI of vm_pager_get_pages() and underlying VOP_GETPAGES().	2015-12-16 21:30:45 +00:00
device_pager.c	Avoid duplicated calls to pmap_page_get_memattr().	2016-05-01 17:48:43 +00:00
memguard.c	Include sys/_task.h into uma_int.h, so that taskqueue.h isn't a	2016-02-09 20:22:35 +00:00
memguard.h
phys_pager.c	sys: use our roundup2/rounddown2() macros when param.h is available.	2016-04-21 19:57:40 +00:00
pmap.h	Properly sort the function declarations added in r286296	2015-08-05 10:48:32 +00:00
redzone.c
redzone.h
sg_pager.c	Plug a vm_page leak introduced in r292373.	2016-02-05 19:35:53 +00:00
swap_pager.c	Fix inconsistent locking of the swap pager named objects list.	2016-06-13 03:42:46 +00:00
swap_pager.h
uma_core.c	Fix memguard(9) in kernels with INVARIANTS enabled.	2016-06-01 22:31:35 +00:00
uma_dbg.c	Fix memguard(9) in kernels with INVARIANTS enabled.	2016-06-01 22:31:35 +00:00
uma_dbg.h	Move uma_dbg_alloc() and uma_dbg_free() into uma_core.c, which allows	2016-02-03 22:02:36 +00:00
uma_int.h	sys/vm: minor spelling fixes in comments.	2016-05-02 20:16:29 +00:00
uma.h	Remove UMA_ZONE_REFCNT feature, now unused.	2016-03-01 00:33:32 +00:00
vm_domain.c	Move vm_domain_rr_selectdomain() under #ifdef VM_NUMA_ALLOC.	2016-05-10 22:25:55 +00:00
vm_domain.h	Add an initial NUMA affinity/policy configuration for threads and processes.	2015-07-11 15:21:37 +00:00
vm_extern.h	Various cleanups to the main function for AIO kernel processes:	2016-01-19 21:37:51 +00:00
vm_fault.c	Use vm_page_replace_checked() instead of vm_page_rename() for implementing	2016-05-27 06:05:12 +00:00
vm_glue.c	Remove false claim. Giant is dropped by mi_startup() before passing	2016-05-22 19:25:53 +00:00
vm_init.c	Parallelize the buffer cache and rewrite getnewbuf(). This results in a	2015-10-14 02:10:07 +00:00
vm_kern.c	Introduce a new mechanism for relocating virtual pages to a new physical	2015-12-19 18:42:50 +00:00
vm_kern.h
vm_map.c	sys/vm: minor spelling fixes in comments.	2016-05-02 20:16:29 +00:00
vm_map.h	Do not pretend that vm_fault(9) supports unwiring the address. Rename	2015-07-30 18:28:34 +00:00
vm_meter.c	Remove the v_cache_min and v_cache_max sysctls. They are unused and have	2015-09-11 03:00:20 +00:00
vm_mmap.c	Add a local variable initialization needed in the OBJT_DEFAULT case.	2015-07-05 22:26:19 +00:00
vm_object.c	Do not leak the vm object lock when swap reservation failed, in	2016-05-29 15:46:19 +00:00
vm_object.h	Add implementation of robust mutexes, hopefully close enough to the	2016-05-17 09:56:22 +00:00
vm_page.c	Reset the page busy lock state after failing to insert into the object.	2016-06-02 17:11:24 +00:00
vm_page.h	vm/vm_page.h: Fix trivial '-Wpointer-sign' warning	2016-05-19 17:54:14 +00:00
vm_pageout.c	The flag "vm_pages_needed" has long served two distinct purposes: (1) to	2016-05-27 19:15:45 +00:00
vm_pageout.h	The flag "vm_pages_needed" has long served two distinct purposes: (1) to	2016-05-27 19:15:45 +00:00
vm_pager.c	Remove slightly used const values that can be replaced with nitems().	2016-04-21 15:38:28 +00:00
vm_pager.h	A change to KPI of vm_pager_get_pages() and underlying VOP_GETPAGES().	2015-12-16 21:30:45 +00:00
vm_param.h	Remove the v_cache_min and v_cache_max sysctls. They are unused and have	2015-09-11 03:00:20 +00:00
vm_phys.c	sys: use our roundup2/rounddown2() macros when param.h is available.	2016-04-21 19:57:40 +00:00
vm_phys.h	Add more fine-grained kernel options for NUMA support.	2016-04-09 13:58:04 +00:00
vm_radix.c	Cleanup redundant parenthesis from existing howmany()/roundup() macro uses.	2016-04-22 16:57:42 +00:00
vm_radix.h
vm_reserv.c	Introduce a new mechanism for relocating virtual pages to a new physical	2015-12-19 18:42:50 +00:00
vm_reserv.h	Introduce a new mechanism for relocating virtual pages to a new physical	2015-12-19 18:42:50 +00:00
vm_unix.c	Implement lockless resource limits.	2015-06-10 10:48:12 +00:00
vm_zeroidle.c
vm.h	Add new bus methods for mapping resources.	2016-05-20 17:57:47 +00:00
vnode_pager.c	Add implementation of robust mutexes, hopefully close enough to the	2016-05-17 09:56:22 +00:00
vnode_pager.h	A change to KPI of vm_pager_get_pages() and underlying VOP_GETPAGES().	2015-12-16 21:30:45 +00:00