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To: Andrew Morton <akpm@zip.com.au>
From: Leigh Orf <orf@mailbag.com>
cc: Ken Brownfield <brownfld@irridia.com>, linux-kernel@vger.kernel.org
Organization: Department of Tesselating Kumquats
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Subject: Re: 2.4.16 memory badness (reproducible) 
In-Reply-To: Your message of "Sat, 08 Dec 2001 11:41:22 PST."
             <3C126CE2.31726172@zip.com.au> 
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Date: Sat, 08 Dec 2001 15:04:40 -0500
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No change - identical behavior.

Leigh Orf

Andrew Morton wrote:

|   Leigh Orf wrote:
|   > 
|   > Ken Brownfield wrote:
|   > 
|   > |   This parallels what I'm seeing -- perhaps inode/dentry cache
|   > |   bloat is causing the memory issue (which mimics if not _is_
|   > |   a memory leak) _and_ my kswapd thrashing?  It fits both the
|   > |   situation you report and what I'm seeing with I/O across a
|   > |   large number of files (inodes) -- updatedb, smb, NFS, etc.
|   > |
|   > |   I think Andrea was on to this issue, so I'm hoping his work
|   > |   will help.  Have you tried an -aa kernel or an aa patch onto
|   > |   a 2.4.17-pre4 to see how the kernel's behavior changes?
|   > |
|   > |   --
|   > |   Ken.
|   > |   brownfld@irridia.com
|   > 
|   > I get the exact same behavior with 2.4.17-pre4-aa1 - many applications
|   > abort with ENOMEM after updatedb (filling the buffer and cache). Is
|   > there another kernel/patch I should try?
|   > 
|   
|   Just for interest's sake:
|   
|   --- linux-2.4.17-pre6/mm/memory.c	Fri Dec  7 15:39:52 2001
|   +++ linux-akpm/mm/memory.c	Sat Dec  8 11:13:30 2001
|   @@ -1184,6 +1184,7 @@ static int do_anonymous_page(struct mm_s
|    		flush_page_to_ram(page);
|    		entry = pte_mkwrite(pte_mkdirty(mk_pte(page, vma->vm_page_prot)));
|    		lru_cache_add(page);
|   +		activate_page(page);
|    	}
|    
|    	set_pte(page_table, entry);

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