Konstantin Belousov 48cc2fc774 Drop page queues mutex on each iteration of vm_pageout_scan over the ...

inactive queue, unless busy page is found.

Dropping the mutex often should allow the other lock acquires to
proceed without waiting for whole inactive scan to finish. On machines
with lot of physical memory scan often need to iterate a lot before it
finishes or finds a page which requires laundring, causing high
latency for other lock waiters.

Suggested and reviewed by:	alc
MFC after:	3 weeks

2012-07-07 19:39:08 +00:00

..

default_pager.c

Replace pointer to "struct uidinfo" with pointer to "struct ucred"

2010-12-02 17:37:16 +00:00

device_pager.c

Do not double-reference the found vm object in cdev_pager_lookup().

2012-05-18 10:23:47 +00:00

memguard.c

Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs.

2011-11-07 15:43:11 +00:00

memguard.h

Make memguard(9) capable to guard uma(9) allocations.

2011-10-12 18:08:28 +00:00

phys_pager.c

Remove unneeded includes of <sys/linker_set.h>. Other headers that use

2011-01-11 13:59:06 +00:00

pmap.h

The page flag PGA_WRITEABLE is set and cleared exclusively by the pmap

2012-06-16 18:56:19 +00:00

redzone.c

Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs.

2011-11-07 15:43:11 +00:00

redzone.h

…

sg_pager.c

Eliminate duplication of the fake page code and zone by the device and sg

2011-03-11 07:07:48 +00:00

swap_pager.c

The page flag PGA_WRITEABLE is set and cleared exclusively by the pmap

2012-06-16 18:56:19 +00:00

swap_pager.h

Implement the linprocfs swaps file, providing information about the

2011-08-01 19:12:15 +00:00

uma_core.c

Add missing sleep stat increase

2012-07-07 17:46:11 +00:00

uma_dbg.c

…

uma_dbg.h

…

uma_int.h

1. Prior to r214782, UMA did not support multipage allocations before

2011-05-21 17:43:43 +00:00

uma.h

exclude kmem_alloc'ed ARC data buffers from kernel minidumps on amd64

2012-01-27 20:18:31 +00:00

vm_contig.c

In vm_object_page_clean(), do not clean OBJ_MIGHTBEDIRTY object flag

2012-03-17 23:00:32 +00:00

vm_extern.h

Eliminate vm_phys_bootstrap_alloc(). It was a failed attempt at

2011-10-30 05:06:14 +00:00

vm_fault.c

Calculate the count of per-process cow faults. Export the count to

2012-05-23 18:10:54 +00:00

vm_glue.c

Move kstack_cache_entry into the private header, and make the

2011-12-16 10:56:16 +00:00

vm_init.c

Introduce exec_alloc_args(). The objective being to encapsulate the

2010-07-27 17:31:03 +00:00

vm_kern.c

Simplify kmem_alloc() by eliminating code that existed on account of

2012-02-29 05:41:29 +00:00

vm_kern.h

…

vm_map.c

Add new pmap layer locks to the predefined lock order. Change the names

2012-06-27 03:45:25 +00:00

vm_map.h

Give vm_fault()'s sequential access optimization a makeover.

2012-05-10 15:16:42 +00:00

vm_meter.c

- The previous commit (r228449) accidentally moved the vm.stats.vm.* sysctls

2011-12-14 13:25:00 +00:00

vm_mmap.c

When MAP_STACK mapping is created, the map entry is created only to

2012-04-21 18:36:53 +00:00

vm_object.c

Fix madvise(MADV_WILLNEED) to properly handle individual mappings larger

2012-03-19 18:47:34 +00:00

vm_object.h

- Add a comment explaining the locking of the cached pages pool held

2012-06-22 18:34:11 +00:00

vm_page.c

Add new pmap layer locks to the predefined lock order. Change the names

2012-06-27 03:45:25 +00:00

vm_page.h

Selectively inline vm_page_dirty().

2012-06-20 23:25:47 +00:00

vm_pageout.c

Drop page queues mutex on each iteration of vm_pageout_scan over the

2012-07-07 19:39:08 +00:00

vm_pageout.h

In vm_object_page_clean(), do not clean OBJ_MIGHTBEDIRTY object flag

2012-03-17 23:00:32 +00:00

vm_pager.c

vm_pager_object_lookup: small performance optimization

2012-05-23 12:51:49 +00:00

vm_pager.h

Add new pager type, OBJT_MGTDEVICE. It provides the device pager

2012-05-12 20:49:58 +00:00

vm_param.h

On Alan's advice, rather than do a wholesale conversion on a single

2010-04-30 00:46:43 +00:00

vm_phys.c

Add a facility to register a range of physical addresses to be used

2012-05-12 20:42:56 +00:00

vm_phys.h

Add a facility to register a range of physical addresses to be used

2012-05-12 20:42:56 +00:00

vm_reserv.c

If a page belonging a reservation is cached, then mark the reservation so

2012-04-08 17:00:46 +00:00

vm_reserv.h

Introduce vm_reserv_alloc_contig() and teach vm_page_alloc_contig() how to

2011-12-05 18:29:25 +00:00

vm_unix.c

Control the execution permission of the readable segments for

2011-10-15 12:35:18 +00:00

vm_zeroidle.c

…

vm.h

Add new pager type, OBJT_MGTDEVICE. It provides the device pager

2012-05-12 20:49:58 +00:00

vnode_pager.c

Do a more targeted check on the page cache and avoid to check the cache

2012-06-16 21:39:00 +00:00

vnode_pager.h

Account the writeable shared mappings backed by file in the vnode

2012-02-23 21:07:16 +00:00