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Just did an update to U4... Same problem... Back to the drawing board...
Thanks for the info..
--
-Ryan
Allvac Unix Services
Monroe, NC
(704) 282-1586
-----Original Message-----
From: taroon-list-bounces@xxxxxxxxxx
[mailto:taroon-list-bounces@xxxxxxxxxx] On Behalf Of Larry Woodman
Sent: Thursday, February 03, 2005 3:34 PM
To: arjanv@xxxxxxxxxx; Discussion of Red Hat Enterprise Linux 3 (Taroon)
Subject: Re: OCFS and Out Of Memory issue
Arjan van de Ven wrote:
>On Thu, 2005-02-03 at 14:02 -0500, Larry Woodman wrote:
>
>
>>O'Neill, Donald (US - Deerfield) wrote:
>>
>>
>>
>>>Red Hat suggests using the enterprise kernel with anything more than
>>>4GB of RAM.
>>>
>>>
>>>
>>This is RHEL3, there is no enterprise kernel. The smp kernel is for
>>up to 16GB and the hugemem kernel si for > 16GB.
>>
>>
>
>actually for > 8Gb or when you want 4Gb of userspace virtual space ;)
>
>btw the cause for the vm issue is quite obvious:
>buffer_head 4935182 4936190 108 141009 141034 1 : 1008 252
>
>that's a LOT....
>
It didnt reclaim the buffer_headers because RHEL3-U3 was missing this
patch:
--- linux-2.4.21/fs/buffer.c.orig
+++ linux-2.4.21/fs/buffer.c
@@ -1465,7 +1465,7 @@ int try_to_reclaim_buffers(int priority,
* don't bother reclaiming any if the buffer heads take up less
* than 10% of pageable low memory.
*/
- if (nr_unused_buffer_heads * sizeof(struct buffer_head) * 10 <
+ if (nr_used_buffer_heads * sizeof(struct buffer_head) * 10 <
freeable_lowmem() * PAGE_SIZE)
return 0;
>
>
>
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>-
>
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