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opnsense-src/sys/vm
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Mark Johnston fe6d5344c2 Group per-domain reservation data in the same structure. 
We currently have the per-domain partially populated reservation queues
and the per-domain queue locks.  Define a new per-domain padded
structure to contain both of them.  This puts the queue fields and lock
in the same cache line and avoids the false sharing within the old queue
array.

Also fix field packing in the reservation structure.  In many places we
assume that a domain index fits in 8 bits, so we can do the same there
as well.  This reduces the size of the structure by 8 bytes.

Update some comments while here.  No functional change intended.

Reviewed by:	dougm, kib
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D22391
2019-11-18 18:25:51 +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 (4/6) Protect page valid with the busy lock. 2019-10-15 03:45:41 +00:00
memguard.c Add a vm_page_wired() predicate. 2019-06-02 01:00:17 +00:00
memguard.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
phys_pager.c (4/6) Protect page valid with the busy lock. 2019-10-15 03:45:41 +00:00
pmap.h Remove page locking from pmap_mincore(). 2019-10-16 22:03:27 +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 (4/6) Protect page valid with the busy lock. 2019-10-15 03:45:41 +00:00
swap_pager.c Add a helper function for testing a swap block and freeing it if empty. 2019-11-17 18:38:37 +00:00
swap_pager.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
uma.h vfs: manage mnt_ref with atomics 2019-09-16 21:31:02 +00:00
uma_core.c Include cache zones into zone_foreach() where appropriate. 2019-11-10 09:25:19 +00:00
uma_dbg.c Fix compilation failures on different arches that have vm_machdep.c not 2019-01-15 19:33:47 +00:00
uma_dbg.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
uma_int.h Extend uma_reclaim() to permit different reclamation targets. 2019-09-01 22:22:43 +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
vm_domainset.c Add a !NUMA definition for vm_domainset_iter_policy_ref_init(). 2018-10-24 17:09:20 +00:00
vm_domainset.h Refactor domainset iterators for use by malloc(9) and UMA. 2018-10-23 16:35:58 +00:00
vm_extern.h Improve MD page fault handlers. 2019-09-27 18:43:36 +00:00
vm_fault.c Fix a race in release_page(). 2019-11-06 16:59:16 +00:00
vm_glue.c sys/vm/vm_glue.c: Incorrect function name in panic string 2019-09-19 07:28:24 +00:00
vm_init.c Do not reserve KVA for paging bufs in vm_ksubmap_init(), since now 2019-01-16 20:14:16 +00:00
vm_kern.c Apply mapping protections to preloaded kernel modules on amd64. 2019-10-18 13:56:45 +00:00
vm_kern.h Do not reserve KVA for paging bufs in vm_ksubmap_init(), since now 2019-01-16 20:14:16 +00:00
vm_map.c Add elf image flag to disable stack gap. 2019-11-17 14:54:07 +00:00
vm_map.h Define wrapper functions vm_map_entry_{succ,pred} to act as wrappers 2019-11-13 15:56:07 +00:00
vm_meter.c Provide separate accounting for user-wired pages. 2019-05-13 16:38:48 +00:00
vm_mmap.c Define wrapper functions vm_map_entry_{succ,pred} to act as wrappers 2019-11-13 15:56:07 +00:00
vm_object.c Replace OBJ_MIGHTBEDIRTY with a system using atomics. Remove the TMPFS_DIRTY 2019-10-29 21:06:34 +00:00
vm_object.h Replace OBJ_MIGHTBEDIRTY with a system using atomics. Remove the TMPFS_DIRTY 2019-10-29 21:06:34 +00:00
vm_page.c Widen the vm_page aflags field to 16 bits. 2019-11-18 18:22:41 +00:00
vm_page.h Widen the vm_page aflags field to 16 bits. 2019-11-18 18:22:41 +00:00
vm_pageout.c (4/6) Protect page valid with the busy lock. 2019-10-15 03:45:41 +00:00
vm_pageout.h Fix OOM handling of some corner cases. 2019-08-16 09:43:49 +00:00
vm_pagequeue.h Revert r352406, which contained changes I didn't intend to commit. 2019-09-16 15:04:45 +00:00
vm_pager.c Add couple more assertions to vm_pager_assert_in(). The bogus page is 2019-10-25 16:59:54 +00:00
vm_pager.h vm pager: writemapping accounting for OBJT_SWAP 2019-09-03 20:31:48 +00:00
vm_param.h Improve MD page fault handlers. 2019-09-27 18:43:36 +00:00
vm_phys.c Remove unnecessary debugging from r351181 that caused powerpc build to fail. 2019-08-18 08:07:31 +00:00
vm_phys.h Encapsulate phys_avail manipulation in a set of simple routines. Add a 2019-08-18 07:06:31 +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 Group per-domain reservation data in the same structure. 2019-11-18 18:25:51 +00:00
vm_reserv.h Allocate amd64's page array using pages and page directory pages from the 2019-08-18 23:07:56 +00:00
vm_swapout.c (4/6) Protect page valid with the busy lock. 2019-10-15 03:45:41 +00:00
vm_swapout_dummy.c SPDX: Consider code from Carnegie-Mellon University. 2017-11-30 15:48:35 +00:00
vm_unix.c Provide separate accounting for user-wired pages. 2019-05-13 16:38:48 +00:00
vnode_pager.c Use atomics and a shared object lock to protect the object reference count. 2019-10-29 20:58:46 +00:00
vnode_pager.h vm pager: writemapping accounting for OBJT_SWAP 2019-09-03 20:31:48 +00:00