linux-kernel - Re: committed memory, mmaps and shms

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Message-ID: <20150312150937.GA13256@dhcp22.suse.cz>
Date:	Thu, 12 Mar 2015 11:09:37 -0400
From:	Michal Hocko <mhocko@...e.cz>
To:	Marcos Dione <mdione@...lic.org.ar>
Cc:	linux-kernel@...r.kernel.org, marcos-david.dione@...deus.com,
	linux-mm@...ck.org
Subject: Re: committed memory, mmaps and shms

On Thu 12-03-15 08:40:53, Michal Hocko wrote:
[...]
> I think it would make more sense to add something like easily
> reclaimable chache to the output of free (pagecache-shmem-dirty
> basically). That would give an admin a better view on immediatelly
> re-usable memory.

Ohh, I have just learned that /proc/meminfo already provides such an
information. It's MemAvailable and should give you an idea about how
much memory is re-usable.
-- 
Michal Hocko
SUSE Labs
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