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Konstantin Belousov d301b3580f Support for userspace non-transparent superpages (largepages). 
Created with shm_open2(SHM_LARGEPAGE) and then configured with
FIOSSHMLPGCNF ioctl, largepages posix shared memory objects guarantee
that all userspace mappings of it are served by superpage non-managed
mappings.

Only amd64 for now, both 2M and 1G superpages can be requested, the
later requires CPU feature.

Reviewed by:	markj
Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D24652
2020-09-09 22:12:51 +00:00
..
_vm_radix.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
default_pager.c 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 sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
sg_pager.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
swap_pager.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
swap_pager.h Remove swblk_t. 2020-02-17 15:11:07 +00:00
uma_core.c Add interruptible variant of vm_wait(9), vm_wait_intr(9). 2020-09-08 23:28:09 +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 vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
uma.h vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +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_extern.h Remove the VM map zone. 2020-08-17 13:02:01 +00:00
vm_fault.c Support for userspace non-transparent superpages (largepages). 2020-09-09 22:12:51 +00:00
vm_glue.c Add interruptible variant of vm_wait(9), vm_wait_intr(9). 2020-09-08 23:28:09 +00:00
vm_init.c Remove the VM map zone. 2020-08-17 13:02:01 +00:00
vm_kern.c Use a large kmem arena import size on NUMA systems. 2020-08-26 14:31:48 +00:00
vm_kern.h Remove the VM map zone. 2020-08-17 13:02:01 +00:00
vm_map.c vm_map: Add a map entry kind that can only be clipped at specific boundary. 2020-09-09 22:02:30 +00:00
vm_map.h vm_map: Add a map entry kind that can only be clipped at specific boundary. 2020-09-09 22:02:30 +00:00
vm_meter.c vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
vm_mmap.c Support for userspace non-transparent superpages (largepages). 2020-09-09 22:12:51 +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 Add interruptible variant of vm_wait(9), vm_wait_intr(9). 2020-09-08 23:28:09 +00:00
vm_page.h Add support for multithreading the inactive queue pageout within a domain. 2020-08-11 20:37:45 +00:00
vm_pageout.c vm_pageout_scan_active: ensure ps_delta is initialized 2020-08-28 19:59:02 +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 Add support for multithreading the inactive queue pageout within a domain. 2020-08-11 20:37:45 +00:00
vm_pager.c sys/vm: quiet -Wwrite-strings 2020-02-23 03:32:04 +00:00
vm_pager.h Allow consumer to customize physical pager. 2020-09-09 00:00:43 +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 Fix boot on systems where NUMA domain 0 is unpopulated. 2020-05-28 19:41:00 +00:00
vm_phys.h vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +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 Use COUNTER_U64_DEFINE_EARLY() in places where it simplifies things. 2020-03-06 19:10:00 +00:00
vm_reserv.h Fix locking in vm_reserv_reclaim_contig(). 2019-11-22 16:28:52 +00:00
vm_swapout_dummy.c SPDX: Consider code from Carnegie-Mellon University. 2017-11-30 15:48:35 +00:00
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 vm: clean up empty lines in .c and .h files 2020-09-01 21:20:45 +00:00
vnode_pager.h vm pager: writemapping accounting for OBJT_SWAP 2019-09-03 20:31:48 +00:00