Re: [PATCH 0/4] VM deadlock prevention -v5

Rik van Riel
2006-08-25T16:04:35Z

Christoph Lameter wrote:
> On Fri, 25 Aug 2006, Peter Zijlstra wrote:
>
>> The basic premises is that network sockets serving the VM need undisturbed
>> functionality in the face of severe memory shortage.
>>
>> This patch-set provides the framework to provide this.
>
> Hmmm.. Is it not possible to avoid the memory pools by
> guaranteeing that a certain number of page is easily reclaimable?

No.

You need to guarantee that the memory is not gobbled up by
another subsystem, but remains available for use by *this*
subsystem. Otherwise you could still deadlock.

--
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