Date: Tue, 26 Feb 2002 09:37:01 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Henk Wevers <Henk@wevers.org> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: cvs commit: src/sys/kern kern_fork.c On 4.5 RELEASE? Message-ID: <200202261737.g1QHb1W86411@apollo.backplane.com> References: <3C7BB9B1.3060507@wevers.org>
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:Hi,
:
:Can i use this diff shamelessly on an FreeBSD 4.5-RELEASE system?
:I can use the diff.
:
:Henk Wevers
Yes, it should work just fine. There are a couple of other
patches Mike committed recently that you might also want to look
at. The one I include below definitely.
-Matt
silby 2002/02/25 21:49:28 PST
Modified files: (Branch: RELENG_4)
sys/vm vm_fault.c vm_page.c vm_pageout.c
vm_pageout.h
Log:
MFC OOM killer changes:
Changes to make the OOM killer much more effective:
- Allow the OOM killer to target processes currently locked in
memory. These very often are the ones doing the memory hogging.
- Drop the wakeup priority of processes currently sleeping while
waiting for their page fault to complete. In order for the OOM
killer to work well, the killed process and other system processes
waiting on memory must be allowed to wakeup first.
Revision Changes Path
1.128 +2 -2 src/sys/vm/vm_fault.c
1.176 +23 -0 src/sys/vm/vm_page.c
1.188 +1 -2 src/sys/vm/vm_pageout.c
1.28 +3 -1 src/sys/vm/vm_pageout.h
Revision Changes Path
1.108.2.8 +2 -2 src/sys/vm/vm_fault.c
1.147.2.14 +23 -0 src/sys/vm/vm_page.c
1.151.2.13 +1 -2 src/sys/vm/vm_pageout.c
1.26.2.1 +3 -1 src/sys/vm/vm_pageout.h
-Matt
Matthew Dillon
<dillon@backplane.com>
:--
:silby 2002/02/25 21:32:44 PST
:
: Modified files: (Branch: RELENG_4)
: sys/kern kern_fork.c
: Log:
: MFC rev 1.132:
:
: A few misc forkbomb defenses:
:
: - Leave 10 processes for root-only use, the previous
: value of 1 was insufficient to run ps ax | more.
: - Remove the printing of "proc: table full". When the table
: really is full, this would flood the screen/logs, making
: the problem tougher to deal with.
: - Force any process trying to fork beyond its user's maximum
: number of processes to sleep for .5 seconds before returning
: failure. This turns 2000 rampaging fork monsters into 2000
: harmlessly snoozing fork monsters.
:
: Revision Changes Path
: 1.72.2.10 +5 -2 src/sys/kern/kern_fork.c
:
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