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freebsd-nq/sys/vm
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Mark Johnston 98549e2dc6 Centralize the logic in vfs_vmio_unwire() and sendfile_free_page(). 
Both of these functions atomically unwire a page, optionally attempt
to free the page, and enqueue or requeue the page.  Add functions
vm_page_release() and vm_page_release_locked() to perform the same task.
The latter must be called with the page's object lock held.

As a side effect of this refactoring, the buffer cache will no longer
attempt to free mapped pages when completing direct I/O.  This is
consistent with the handling of pages by sendfile(SF_NOCACHE).

Reviewed by:	alc, kib
MFC after:	2 weeks
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D20986
2019-07-29 22:01:28 +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
Add a return value to vm_page_remove().
2019-06-26 17:37:51 +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
sys: general adoption of SPDX licensing ID tags.
2017-11-27 15:23:17 +00:00
pmap.h
correct pmap_ts_referenced return type
2019-07-03 19:59:56 +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
Change the vm_ooffset_t type to unsigned.
2018-12-02 13:16:46 +00:00
swap_pager.c
In swap_pager_putpages, move the initialization of a free-blocks
2019-07-28 19:32:23 +00:00
swap_pager.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00
uma_core.c
Replace uses of vm_page_unwire(m, PQ_NONE) with vm_page_unwire_noq(m).
2019-06-07 18:23:29 +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
UMA: unsign some variables related to allocation in hash_alloc().
2019-02-12 04:33:05 +00:00
uma.h
o Move zone limit from keg level up to zone level. This means that now
2019-01-15 00:02:06 +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
Add malloc_domainset(9) and _domainset variants to other allocator KPIs.
2018-10-30 18:26:34 +00:00
vm_fault.c
Merge the vm_page hold and wire mechanisms.
2019-07-08 19:46:20 +00:00
vm_glue.c
Merge the vm_page hold and wire mechanisms.
2019-07-08 19:46:20 +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
Replace uses of vm_page_unwire(m, PQ_NONE) with vm_page_unwire_noq(m).
2019-06-07 18:23:29 +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
Define vm_map_entry_in_transition to handle an in-transition map
2019-07-19 20:47:35 +00:00
vm_map.h
Revert r349393, which leads to an assertion failure on bootup, in vm_map_stack_locked.
2019-06-26 03:12:57 +00:00
vm_meter.c
Provide separate accounting for user-wired pages.
2019-05-13 16:38:48 +00:00
vm_mmap.c
Control implicit PROT_MAX() using procctl(2) and the FreeBSD note
2019-07-02 19:07:17 +00:00
vm_object.c
Merge the vm_page hold and wire mechanisms.
2019-07-08 19:46:20 +00:00
vm_object.h
Change the vm_ooffset_t type to unsigned.
2018-12-02 13:16:46 +00:00
vm_page.c
Centralize the logic in vfs_vmio_unwire() and sendfile_free_page().
2019-07-29 22:01:28 +00:00
vm_page.h
Centralize the logic in vfs_vmio_unwire() and sendfile_free_page().
2019-07-29 22:01:28 +00:00
vm_pageout.c
Merge the vm_page hold and wire mechanisms.
2019-07-08 19:46:20 +00:00
vm_pageout.h
Provide separate accounting for user-wired pages.
2019-05-13 16:38:48 +00:00
vm_pagequeue.h
Add a per-CPU page cache per VM free pool.
2019-07-08 18:56:30 +00:00
vm_pager.c
Do not reserve KVA for paging bufs in vm_ksubmap_init(), since now
2019-01-16 20:14:16 +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
The function vm_phys_free_contig invokes vm_phys_free_pages for every
2019-05-31 21:02:42 +00:00
vm_phys.h
The function vm_phys_free_contig invokes vm_phys_free_pages for every
2019-05-31 21:02:42 +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
The means of finding ranges of free pages was changed for
2019-06-06 16:28:34 +00:00
vm_reserv.h
Retire vm_reserv_extend_{contig,page}(). These functions were introduced
2019-06-03 05:15:36 +00:00
vm_swapout_dummy.c
SPDX: Consider code from Carnegie-Mellon University.
2017-11-30 15:48:35 +00:00
vm_swapout.c
Merge the vm_page hold and wire mechanisms.
2019-07-08 19:46:20 +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
Fix style(9) violations involving division by PAGE_SIZE.
2019-07-06 15:55:16 +00:00
vnode_pager.h
sys: further adoption of SPDX licensing ID tags.
2017-11-20 19:43:44 +00:00