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dougm 2db1a9391d swap_pager_meta_free() frees allocated blocks in a way that 
exploits the sparsity of allocated blocks in a range, without
issuing an "are you there?" query for every block in the range.
swap_pager_copy() is not so smart.  Modify the implementation
of swap_pager_meta_free() slightly so that swap_pager_copy()
can use that smarter implementation too.

Based on an observation of: Yoshihiro Ota (ota_j.email.ne.jp)
Reviewed by: kib,alc
Tested by: pho
Differential Revision: https://reviews.freebsd.org/D22280
2019-11-11 16:59:49 +00:00
..
_vm_radix.h
…
default_pager.c
…
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
…
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
…
redzone.h
…
sg_pager.c
(4/6) Protect page valid with the busy lock.
2019-10-15 03:45:41 +00:00
swap_pager.c
swap_pager_meta_free() frees allocated blocks in a way that
2019-11-11 16:59:49 +00:00
swap_pager.h
…
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
…
uma_int.h
Extend uma_reclaim() to permit different reclamation targets.
2019-09-01 22:22:43 +00:00
uma.h
vfs: manage mnt_ref with atomics
2019-09-16 21:31:02 +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
For vm_map, #defining DIAGNOSTIC to turn on full assertion-based
2019-11-09 17:08:27 +00:00
vm_map.h
For vm_map, #defining DIAGNOSTIC to turn on full assertion-based
2019-11-09 17:08:27 +00:00
vm_meter.c
Provide separate accounting for user-wired pages.
2019-05-13 16:38:48 +00:00
vm_mmap.c
Remove page locking from pmap_mincore().
2019-10-16 22:03:27 +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
Drop Giant before sleeping on a busy page.
2019-11-07 18:26:29 +00:00
vm_page.h
Remove page locking from pmap_mincore().
2019-10-16 22:03:27 +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
…
vm_reserv.c
Allocate amd64's page array using pages and page directory pages from the
2019-08-18 23:07:56 +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_dummy.c
…
vm_swapout.c
(4/6) Protect page valid with the busy lock.
2019-10-15 03:45:41 +00:00
vm_unix.c
Provide separate accounting for user-wired pages.
2019-05-13 16:38:48 +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
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