linux-kernel - Re: Is there linux RAM filesystem with a fixed amount of memory?‏

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Message-ID: <01c301c9033c$5e881ef0$4901a8c0@tc.nsbg.efoxconn.com>
Date:	Thu, 21 Aug 2008 11:16:33 +0800
From:	"Chen Pei Chao" <jackie73@....hinet.net>
To:	"'David Newall'" <davidn@...idnewall.com>
Cc:	<linux-kernel@...r.kernel.org>, <jackie.chen@...conn.com>
Subject: Re: Is there linux RAM filesystem with a fixed amount of memory?‏


>> Is there any RAM file system that use a fixed amount of memory at all
times
>> and will not grow and shrink dynamically like tmpfs?

>ramfs

I mounted a ramfs filesystem with 10M size, and have a check of
/proc/meminfo.
I find the ramfs also did not have the memory preallocation.

I just add one line into /etc/fstab
none 	/tmp	ramfs	size=10m	0	0 

Any wrong in my steps?

Regards,
Jackie	  	

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