Re: [RFC] [PATCH] Cgroup based OOM killer controller

On Fri, Jan 23, 2009 at 01:53:04AM +0300, Evgeniy Polyakov (zbr@xxxxxxxxxxx) wrote:
I'm quite certain you've spent more time writing emails to me than merging
the patch and testing its possibilities, given your lack of understanding
of its very basic concepts.

How cute :)
Any other technical arguments of the same strength?

Its my turn now for the professional statements, let's start with this
technical side: you wanted to send a signal for the process to be killed,
but this will need
1. to allocate a signal, which will deadlock
2. no need to do this for sigill, but it will not work if process is in
unkillable state, while oom-killer clears iirc

Now to the oom-handler: if it will want to free some memory, it will
have to call a syscall with some pointer, which in turn may be in the
swapped area, so handler will be locked.

--
Evgeniy Polyakov
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