linux-kernel - Re: question related page frame reclaim on embedded system

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Message-Id: <20081202203601.1D24.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Tue,  2 Dec 2008 20:40:10 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	mengsanshui@...oo.com.cn
Cc:	kosaki.motohiro@...fujitsu.com, linux-kernel@...r.kernel.org
Subject: Re: question related page frame reclaim on embedded system

> 1, I have a question related page frame reclaim .
> As i understood , under low memory pressure page frame reclaiming will
> swap  Least Recently Used cache to disk .
> So my question is assume no swap space ,how to works ?
> Whether the  Least Recently Used  slab cache , inode cache  etc  will
> be discard since no swap space .

Yes, page cache and slab cache (include inode cache and dentry cache) can be dropped
although no swap.


> 2. BTW ,I have already used my gmail account subscribe the linux kernel mail list .but can not post the question to mail list , i used plain text format . 
> why ? I have seen many people use account of gmail  to post question .

I don't know.
I can post by gmail.

But, One caution.
gmail web interface is a bit silly. it can't post patch because
it trim tab and space.




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