linux-kernel - Re: cc1plus invoked oom-killer: gfp_mask=0x280da, order=0, oom

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Message-ID: <4AEF53F5.4020107@gmail.com>
Date:	Mon, 02 Nov 2009 22:49:41 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Justin Mattock <justinmattock@...il.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	gcc@....gnu.org
Subject: Re: cc1plus invoked oom-killer: gfp_mask=0x280da, order=0, oom_adj=0

On 11/02/2009 10:29 PM, Justin Mattock wrote:
> [  532.942324] cc1plus invoked oom-killer: gfp_mask=0x280da, order=0, oom_adj=0
> [  532.942330] Pid: 16002, comm: cc1plus Tainted: P
> 2.6.32-rc5-00083-g04ea458 #2
> [  532.942333] Call Trace:
> [  532.942342]  [<ffffffff810bce11>] T.417+0x7c/0x245
> [  532.942347]  [<ffffffff810bd11c>] __out_of_memory+0x142/0x159
> [  532.942352]  [<ffffffff810bd1a1>] out_of_memory+0x6e/0x9d
> [  532.942357]  [<ffffffff810c0086>] __alloc_pages_nodemask+0x47e/0x5cc
> [  532.942363]  [<ffffffff810d2115>] handle_mm_fault+0x25d/0x68e
> [  532.942369]  [<ffffffff813dfc1d>] do_page_fault+0x2bb/0x2d3
> [  532.942373]  [<ffffffff813ddb25>] page_fault+0x25/0x30
...
> [  532.957951] Out of memory: kill process 16001 (c++) score 543727 or a child
> [  532.957955] Killed process 16002 (cc1plus)
> 
> I just compiled the latest gcc snapshot a few days
> ago.

How many jobs did you run in parallel? Was there anything else memory
consuming running on that machine? Do you run the same jobs count every
time you compile such big c++ projects?
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