Re: [PATCH] mm: check zone->all_unreclaimable inall_unreclaimable()

[KAMEZAWA Hiroyuki]

On Wed, 9 Mar 2011 14:37:04 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:

> On Tue, 8 Mar 2011 08:45:51 +0900
> Minchan Kim <minchan.kim@xxxxxxxxx> wrote:
> Hmm, should I support a sacrifice feature 'some signal(SIGINT?) will be sent by
> the kernel when it detects system memory is in short' in cgroup ?
> (For example, if full LRU scan is done in a zone, notifier
>  works and SIGINT will be sent.)
> 

Sorry, this sounds like  "mem_notify" ;), Kosaki-san's old work.

I think functionality for "mem_notify" will have no obstacle opinion but
implementation detail is a problem....Shouldn't we try it again ?

Thanks,
-Kame

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