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freebsd-skq/sys/vm
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Konstantin Belousov a66d7a8ddc Copyout(9) on 4/4 i386 needs correct vm_page_array[]. 
On the 4/4 i386, copyout(9) may need to call pmap_extract_and_hold()
on arbitrary userspace mapping.  If the mapping is backed by the
non-managed cdev pager or by the sg pager, on dense configs we might
access arbitrary element of vm_page_array[], in particular, not
corresponding to a page from the memory segment.  Initialize such pages
as fictitious with the corresponding physical address.

Reported by:	bde
Reviewed by:	alc, markj (previous version)
Sponsored by:	The FreeBSD Foundation
Differential revision:	https://reviews.freebsd.org/D16085
2018-07-05 16:43:15 +00:00
..
_vm_radix.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
default_pager.c
SPDX: wrong license.
2017-11-30 15:45:42 +00:00
device_pager.c
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
memguard.c
Eliminate kmem_arena and kmem_object in preparation for further NUMA commits.
2017-11-28 23:40:54 +00:00
memguard.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
phys_pager.c
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
pmap.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
redzone.c
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
redzone.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
sg_pager.c
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
swap_pager.c
Handle the race between fork/vm_object_split() and faults.
2018-06-14 19:41:02 +00:00
swap_pager.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
uma_core.c
Eliminate a spurious panic on non-SMP systems (occurred on shutdown/reboot).
2018-06-22 20:22:26 +00:00
uma_dbg.c
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
uma_dbg.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
uma_int.h
Sort uma_zone fields according to 64 byte cache line with adjacent line
2018-06-23 08:10:09 +00:00
uma.h
Make UMA and malloc(9) return non-executable memory in most cases.
2018-06-13 17:04:41 +00:00
vm_domainset.c
Use the canonical check for reservation support.
2018-05-19 23:49:13 +00:00
vm_domainset.h
Implement several enhancements to NUMA policies.
2018-03-29 02:54:50 +00:00
vm_extern.h
Make UMA and malloc(9) return non-executable memory in most cases.
2018-06-13 17:04:41 +00:00
vm_fault.c
Typo.
2018-05-30 16:48:48 +00:00
vm_glue.c
Account the size of the vslock-ed memory by the thread.
2018-03-24 13:51:27 +00:00
vm_init.c
Make UMA and malloc(9) return non-executable memory in most cases.
2018-06-13 17:04:41 +00:00
vm_kern.c
Make UMA and malloc(9) return non-executable memory in most cases.
2018-06-13 17:04:41 +00:00
vm_kern.h
Make UMA and malloc(9) return non-executable memory in most cases.
2018-06-13 17:04:41 +00:00
vm_map.c
Use a single, consistent approach to returning success versus failure in
2018-06-04 16:28:06 +00:00
vm_map.h
inline atomics and allow tied modules to inline locks
2018-07-02 19:48:38 +00:00
vm_meter.c
vm: move vm_cnt to __read_mostly now that it is not written to
2018-04-27 05:36:02 +00:00
vm_mmap.c
Use a single, consistent approach to returning success versus failure in
2018-06-04 16:28:06 +00:00
vm_object.c
Fix some races introduced in r332974.
2018-05-04 17:17:30 +00:00
vm_object.h
Use per-domain locks for vm page queue free. Move paging control from
2018-02-06 22:10:07 +00:00
vm_page.c
Copyout(9) on 4/4 i386 needs correct vm_page_array[].
2018-07-05 16:43:15 +00:00
vm_page.h
inline atomics and allow tied modules to inline locks
2018-07-02 19:48:38 +00:00
vm_pageout.c
Correct the description of vm_pageout_scan_inactive() after r334508.
2018-06-04 16:46:36 +00:00
vm_pageout.h
Fix GCC build: Remove redundant pagedaemon_wakeup declaration
2018-03-16 07:05:09 +00:00
vm_pagequeue.h
Make UMA and malloc(9) return non-executable memory in most cases.
2018-06-13 17:04:41 +00:00
vm_pager.c
SPDX: Consider code from Carnegie-Mellon University.
2017-11-30 15:48:35 +00:00
vm_pager.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
vm_param.h
SPDX: Consider code from Carnegie-Mellon University.
2017-11-30 15:48:35 +00:00
vm_phys.c
Allow callers to vm_phys_split_pages() to specify whether insertion should
2018-07-05 02:08:57 +00:00
vm_phys.h
Update the physical page selection strategy used by vm_page_import() so
2018-06-26 18:29:56 +00:00
vm_radix.c
vm: stop passing M_ZERO when allocating radix nodes
2018-06-24 13:08:05 +00:00
vm_radix.h
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
vm_reserv.c
Fix two compliation problems on non-amd64 architectures.
2018-03-23 18:24:02 +00:00
vm_reserv.h
Lock reservations with a dedicated lock in each reservation. Protect the
2018-03-22 19:21:11 +00:00
vm_swapout_dummy.c
SPDX: Consider code from Carnegie-Mellon University.
2017-11-30 15:48:35 +00:00
vm_swapout.c
Improve VM page queue scalability.
2018-04-24 21:15:54 +00:00
vm_unix.c
Split kern_break from sys_break and use it in linuxulator
2018-06-27 14:45:13 +00:00
vm.h
Move vm_ndomains to vm.h where it can be used with a single header include
2018-03-27 03:27:02 +00:00
vnode_pager.c
Implement several enhancements to NUMA policies.
2018-03-29 02:54:50 +00:00
vnode_pager.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00