Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds)

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To: Alexey Dobriyan <adobriyan@...>

Cc: Mel Gorman <mel@...>, Pekka Enberg <penberg@...>, <linux-kernel@...>, <linux-mm@...>

Subject: Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds)

Date: Wednesday, October 24, 2007 - 10:15 pm

On Wed, 24 Oct 2007, Alexey Dobriyan wrote:

quoted text> [12728.701398] DMA free:8032kB min:32kB low:40kB high:48kB active:2716kB 
> inactive:2208kB present:12744kB pages_scanned:9299 all_unreclaimable? 
> yes [12728.701567] lowmem_reserve[]: 0 2003 2003 2003 [12728.701654] 

Ummm... all unreclaimable is set! Are you mlocking the pages in memory? Or 
what causes this? All pages under writeback? What is the dirty ratio set 
to?

quoted text> pages_scanned:9363 all_unreclaimable? yes [12735.178618] 

And again.

quoted text> lowmem_reserve[]: 0 2003 2003 2003 [12735.178706] DMA32 free:5700kB 
> min:5708kB low:7132kB high:8560kB active:512264kB inactive:1304912kB 
> present:2051880kB pages_scanned:3251584 all_unreclaimable? yes 

And again.

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Messages in current thread:

SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Alexey Dobriyan, (Tue Oct 23, 2:16 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Christoph Lameter, (Tue Oct 23, 3:35 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Pekka Enberg, (Tue Oct 23, 4:04 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Christoph Lameter, (Tue Oct 23, 4:09 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Pekka Enberg, (Tue Oct 23, 4:41 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Christoph Lameter, (Wed Oct 24, 12:56 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Pekka Enberg, (Tue Oct 23, 3:48 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Christoph Lameter, (Tue Oct 23, 3:57 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Mel Gorman, (Wed Oct 24, 4:09 am)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Alexey Dobriyan, (Wed Oct 24, 3:28 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Christoph Lameter, (Wed Oct 24, 10:15 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Nick Piggin, (Wed Oct 24, 10:34 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Christoph Lameter, (Wed Oct 24, 10:43 pm)

Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds), Nick Piggin, (Wed Oct 24, 11:06 pm)


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Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds)

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