freebsd-nq/sys/vm
Mark Johnston 5c18744ea9 vm: Honour the "noreuse" flag to vm_page_unwire_managed()
This flag indicates that the page should be enqueued near the head of
the inactive queue, skipping the LRU queue.  It is used when unwiring
pages from the buffer cache following direct I/O or after I/O when
POSIX_FADV_NOREUSE or _DONTNEED advice was specified, or when
sendfile(SF_NOCACHE) completes.  For the direct I/O and sendfile cases
we only enqueue the page if we decide not to free it, typically because
it's mapped.

Pass "noreuse" through to vm_page_release_toq() so that we actually
honour the desired LRU policy for these scenarios.

Reported by:	bdrewery
Reviewed by:	alc, kib
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D28555
2021-02-10 11:10:27 -05:00
..
_vm_phys.h vm_phys: Try to clean up NUMA KPIs 2020-11-19 03:59:21 +00:00
_vm_radix.h
default_pager.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
device_pager.c Don't hold the object lock while calling getpages. 2020-01-19 23:47:32 +00:00
memguard.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
memguard.h LinuxKPI: Implement ksize() function. 2020-08-29 19:26:31 +00:00
phys_pager.c Allow consumer to customize physical pager. 2020-09-09 00:00:43 +00:00
pmap.h Add pmap_enter(9) PMAP_ENTER_LARGEPAGE flag and implement it on amd64. 2020-09-09 21:50:24 +00:00
redzone.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
redzone.h
sg_pager.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
swap_pager.c Make MAXPHYS tunable. Bump MAXPHYS to 1M. 2020-11-28 12:12:51 +00:00
swap_pager.h Remove swblk_t. 2020-02-17 15:11:07 +00:00
uma_core.c uma: Avoid unmapping direct-mapped slabs 2021-01-03 11:50:31 -05:00
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 uma: Remove the MINBUCKET flag from the flag name list 2020-12-27 17:01:33 -05:00
uma.h uma: Make uma_zone_set_maxcache() work better with small limits 2020-12-06 22:45:50 +00:00
vm_domainset.c Add interruptible variant of vm_wait(9), vm_wait_intr(9). 2020-09-08 23:28:09 +00:00
vm_domainset.h Add interruptible variant of vm_wait(9), vm_wait_intr(9). 2020-09-08 23:28:09 +00:00
vm_dumpset.h Avoid dump_avail[] redefinition. 2020-10-14 22:51:40 +00:00
vm_extern.h Remove the VM map zone. 2020-08-17 13:02:01 +00:00
vm_fault.c Make MAXPHYS tunable. Bump MAXPHYS to 1M. 2020-11-28 12:12:51 +00:00
vm_glue.c vmspace: Convert to refcount(9) 2020-11-04 16:30:56 +00:00
vm_init.c Make MAXPHYS tunable. Bump MAXPHYS to 1M. 2020-11-28 12:12:51 +00:00
vm_kern.c Add a VM flag to prevent reclaim on a failed contig allocation 2021-02-03 16:16:51 -05:00
vm_kern.h Remove the VM map zone. 2020-08-17 13:02:01 +00:00
vm_map.c vm_map_protect(): remove not needed recalculations of new_prot, new_maxprot 2021-01-14 10:02:43 +02:00
vm_map.h vm_map_protect: allow to set prot and max_prot in one go. 2021-01-13 01:35:22 +02:00
vm_meter.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
vm_mmap.c Rename kern_mmap_req to kern_mmap 2021-01-25 21:50:37 +00:00
vm_object.c Allow consumer to customize physical pager. 2020-09-09 00:00:43 +00:00
vm_object.h Allow consumer to customize physical pager. 2020-09-09 00:00:43 +00:00
vm_page.c vm: Honour the "noreuse" flag to vm_page_unwire_managed() 2021-02-10 11:10:27 -05:00
vm_page.h Add a VM flag to prevent reclaim on a failed contig allocation 2021-02-03 16:16:51 -05:00
vm_pageout.c vm_pageout: Avoid rounding down the inactive scan target 2020-10-02 19:16:06 +00:00
vm_pageout.h Add interruptible variant of vm_wait(9), vm_wait_intr(9). 2020-09-08 23:28:09 +00:00
vm_pagequeue.h vm_phys: Try to clean up NUMA KPIs 2020-11-19 03:59:21 +00:00
vm_pager.c Make MAXPHYS tunable. Bump MAXPHYS to 1M. 2020-11-28 12:12:51 +00:00
vm_pager.h Make MAXPHYS tunable. Bump MAXPHYS to 1M. 2020-11-28 12:12:51 +00:00
vm_param.h (fault 3/9) Move map relookup into a dedicated function. 2020-01-23 05:07:01 +00:00
vm_phys.c vm_phys: Try to clean up NUMA KPIs 2020-11-19 03:59:21 +00:00
vm_phys.h vm_phys: Try to clean up NUMA KPIs 2020-11-19 03:59:21 +00:00
vm_radix.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
vm_radix.h Use SMR to provide a safe unlocked lookup for vm_radix. 2020-02-19 19:58:31 +00:00
vm_reserv.c vm_phys: Try to clean up NUMA KPIs 2020-11-19 03:59:21 +00:00
vm_reserv.h Fix locking in vm_reserv_reclaim_contig(). 2019-11-22 16:28:52 +00:00
vm_swapout_dummy.c
vm_swapout.c Use a single VM object for kernel stacks. 2020-04-26 20:08:57 +00:00
vm_unix.c Prepare to handle non-trivial errors from vm_map_delete(). 2020-09-09 21:34:31 +00:00
vm.h vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
vnode_pager.c Make MAXPHYS tunable. Bump MAXPHYS to 1M. 2020-11-28 12:12:51 +00:00
vnode_pager.h vm pager: writemapping accounting for OBJT_SWAP 2019-09-03 20:31:48 +00:00