Re: OOM in 2.2.14

From: jmcmullan@linuxcare.com
Date: Fri Jul 14 2000 - 11:34:27 EST


Rik van Riel <riel@conectiva.com.br> wrote:
> On 13 Jul 2000 jmcmullan@linuxcare.com wrote:

>> That is yet another alternative. The point is to put all
>> of the process killing logic in user-land - not to quibble about
>> possible implementations of such logic.

> Let me repeat myself: NO MEMORY LEFT. NADA. ZILCH. NOTHING.

        So when I say that the daemon would start killing processes
when it gets a message from the kernel that 90% of VM is in use,
it can't run because that 10% of VM that isn't in use doesn't exist?

        Color me confused. The daemon runs BEFORE an OOM, but in NEAR
OOM conditions - ie. only 10% of VM left, or 5M of VM, or whatever the
user set the limit to be.

        The killing STARTS at 10% of VM remaining. Kind of like when
filesystems reach the root-only reserve point (an old BSDism, I know...)
and only root can create new files...

-- 
Jason McMullan, Senior Linux Consultant, Linuxcare, Inc.
412.422.8077 tel, 412.656.3519 cell, 415.701.0792 fax
jmcmullan@linuxcare.com, http://www.linuxcare.com/
Linuxcare. Support for the revolution.

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