alc 2008-03-16 17:37:20 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Simplify the inner loop of vm_fault()'s delete-behind heuristic.
Instead of checking each page for PG_UNMANAGED, perform a one-time
check whether the object is OBJT_PHY
alc 2008-03-09 06:08:58 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Eliminate an unnecessary test from vm_fault's delete-behind heuristic.
Specifically, since the delete-behind heuristic is never applied to a
device-backed object, there
kib 2007-10-08 20:09:53 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Do not dereference NULL pointer.
Reported by:Peter Holm
Reviewed by:alc
Approved by:re (kensmith)
Revision ChangesPath
1.237 +2 -3
alc 2007-08-25 18:43:16 UTC
FreeBSD src repository
Modified files:(Branch: RELENG_6)
sys/vm vm_fault.c
Log:
MFC revision 1.234
Eliminate the special case handling of OBJT_DEVICE objects in
vm_fault_additional_pages() that was introduced in revisi
alc 2007-08-25 05:47:44 UTC
FreeBSD src repository
Modified files:(Branch: RELENG_6)
sys/vm vm_fault.c
Log:
MFC revision 1.233
When a cached page is reactivated in vm_fault(), update the counter that
tracks the total number of reactivated pages.
alc 2007-07-20 06:55:12 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Two changes to vm_fault_additional_pages():
1. Rewrite the backward scan. Specifically, reverse the order in which
pages are allocated so that upon failure it is
alc 2007-07-08 19:42:52 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Eliminate the special case handling of OBJT_DEVICE objects in
vm_fault_additional_pages() that was introduced in revision 1.47. Then
as now, it is unnecessary because
alc 2007-07-06 21:25:21 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
When a cached page is reactivated in vm_fault(), update the counter that
tracks the total number of reactivated pages. (We have not been
counting reactivations by vm_f
mjacob 2007-06-17 04:14:27 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Initialize reqpage to zero.
Revision ChangesPath
1.232 +1 -1 src/sys/vm/vm_fault.c
___
cvs-all@freebsd.org
alc 2007-05-22 04:46:00 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c vm_map.c
Log:
Eliminate the reactivation of cached pages in vm_fault_prefault() and
vm_map_pmap_enter() unless the caller is madvise(MADV_WILLNEED). With
the exception of c
pjd 2007-04-05 20:49:46 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Fix a problem for file systems that don't implement VOP_BMAP() operation.
The problem is this: vm_fault_additional_pages() calls vm_pager_has_page(),
which calls vno
alc 2007-03-23 06:11:26 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
vm_page_busy() no longer requires the page queues lock to be held. Reduce
the scope of the page queues lock in vm_fault() accordingly.
Revision ChangesPath
1
alc 2007-03-05 18:55:14 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Use PCPU_LAZY_INC() to update page fault statistics.
Revision ChangesPath
1.224 +6 -6 src/sys/vm/vm_fault.c
___
alc 2006-10-21 21:02:05 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c vm_map.c
Log:
Eliminate unnecessary PG_BUSY tests. They originally served a purpose
that is now handled by vm object locking.
Revision ChangesPath
1.220 +1 -1
alc 2006-08-13 00:11:09 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c vm_object.c vm_page.c
vm_page.h
Log:
Reimplement the page's NOSYNC flag as an object-synchronized instead of a
page queues-synchronized flag. Reduce
alc 2006-08-06 00:17:18 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Eliminate the acquisition and release of the page queues lock around a call
to vm_page_sleep_if_busy().
Revision ChangesPath
1.218 +2 -4 src/sys/vm/v
maxim 2006-06-12 15:06:22 UTC
FreeBSD src repository
Modified files:(Branch: RELENG_6)
sys/vm vm_fault.c
Log:
MFC rev. 1.213: fix a comment.
Revision ChangesPath
1.205.2.5 +1 -1 src/sys/vm/vm_fault.c
_
alc 2006-05-13 20:05:44 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Simplify the implementation of vm_fault_additional_pages() based upon the
object's memq being ordered. Specifically, replace repeated calls to
vm_page_lookup() by two
tegge 2006-03-08 23:53:39 UTC
FreeBSD src repository
Modified files:(Branch: RELENG_6)
sys/vm vm_fault.c
Log:
MFC: Don't access fs->first_object after dropping reference to it.
The result could be a missed or extra giant unlock.
Approved by:
tegge 2006-02-02 21:55:38 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Adjust old comment (present in rev 1.1) to match changes in rev 1.82.
PR: kern/92509
Submitted by: "Bryan Venteicher" <[EMAIL PROTECTED]>
Revision Change
alc 2006-01-27 08:35:32 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Use the new macros abstracting the page coloring/queues implementation.
(There are no functional changes.)
Revision ChangesPath
1.212 +2 -2 src/sys/v
tegge 2005-12-20 12:27:59 UTC
FreeBSD src repository
Modified files:
sys/vm vm_fault.c
Log:
Don't access fs->first_object after dropping reference to it.
The result could be a missed or extra giant unlock.
Reviewed by:alc
Revision ChangesPath
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