Fwd: Re: [PATCH] Prevent OOM from killing init

Ed Tomlinson (tomlins@cam.org)
Fri, 23 Mar 2001 21:58:22 -0500


,--------------- Forwarded message (begin)

Subject: Re: [PATCH] Prevent OOM from killing init
From: Jonathan Morton <chromi@cyberspace.org>
Date: Fri, 23 Mar 2001 20:45:43 -0500

>Hmm... "if ( freemem < (size_of_mallocing_process / 20) ) fail_to_allocate;"

Not sure this is that reasonable on a 4G box... 800M is a big chunk...

Why not base this on the vm's free goal. If I remember correctly it tries to keep one
second of pages ready for allocating. If memory is so tight that a second's worth of
memory does not exist. Note that I mean memory free in main memory and swap.

Think your malloc patch along with UID weighting (1-99 protected, 100-999 endangered,
1000+ open season - with poaching expected if there is no choise) will make help oom
processing.

Ed Tomlinson

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