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Date: Thu, 19 Jan 2012 09:25:03 +0200 (EET)
From: Pekka Enberg <penberg@kernel.org>
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To: Ronen Hod <rhod@redhat.com>
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Subject: Re: [RFC 1/3] /dev/low_mem_notify
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On Thu, 19 Jan 2012, Ronen Hod wrote:
> I believe that it will be best if the kernel publishes an ideal 
> number_of_free_pages (in /proc/meminfo or whatever). Such number is easy to 
> work with since this is what applications do, they free pages. Applications 
> will be able to refer to this number from their garbage collector, or before 
> allocating memory also if they did not get a notification, and it is also 
> useful if several applications free memory at the same time.

Isn't

/proc/sys/vm/min_free_kbytes

pretty much just that?

 			Pekka