From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 25 Aug 2004 14:19:02 -0700 From: "Martin J. Bligh" Subject: Re: [Bug 3268] New: Lowmemory exhaustion problem with v2.6.8.1-mm4 16gb Message-ID: <169840000.1093468741@[10.10.2.4]> In-Reply-To: <20040825135308.2dae6a5d.akpm@osdl.org> References: <1093460701.5677.1881.camel@knk> <20040825135308.2dae6a5d.akpm@osdl.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton , Hugh Dickins Cc: kmannth@us.ibm.com, linux-mm@kvack.org List-ID: > Hugh Dickins wrote: >> >> (hmm, does lowmem shortage exert >> any pressure on highmem cache these days, I wonder?); > > It does, indirectly - when we reclaim an unused inode we also shoot down > all that inode's pagecache. ISTR that causes some fairly major problems under mem pressure - when we go to shrink inode cache, it used to sit there for *ages* trying to free pagecache, particularly if there were a lot of large dirty files. That was a few months back ... but would anything have fixed that case since then? M. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org