From: Dave Hansen <dave@linux.vnet.ibm.com>
To: paul.szabo@sydney.edu.au
Cc: 695182@bugs.debian.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC] Reproducible OOM with partial workaround
Date: Fri, 11 Jan 2013 08:04:02 -0800 [thread overview]
Message-ID: <50F037F2.8040301@linux.vnet.ibm.com> (raw)
In-Reply-To: <201301110146.r0B1kF4T032208@como.maths.usyd.edu.au>
On 01/10/2013 05:46 PM, paul.szabo@sydney.edu.au wrote:
>> > ... I don't believe 64GB of RAM has _ever_ been booted on a 32-bit
>> > kernel without either violating the ABI (3GB/1GB split) or doing
>> > something that never got merged upstream ...
> Sorry to be so contradictory:
>
> psz@como:~$ uname -a
> Linux como.maths.usyd.edu.au 3.2.32-pk06.10-t01-i386 #1 SMP Sat Jan 5 18:34:25 EST 2013 i686 GNU/Linux
> psz@como:~$ free -l
> total used free shared buffers cached
> Mem: 64446900 4729292 59717608 0 15972 480520
> Low: 375836 304400 71436
> High: 64071064 4424892 59646172
> -/+ buffers/cache: 4232800 60214100
> Swap: 134217724 0 134217724
Hey, that's pretty cool! I would swear that the mem_map[] overhead was
such that they wouldn't boot, but perhaps those brain cells died on me.
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prev parent reply other threads:[~2013-01-11 16:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-10 21:58 [RFC] Reproducible OOM with partial workaround paul.szabo
2013-01-10 23:12 ` Dave Hansen
2013-01-11 0:46 ` paul.szabo
2013-01-11 1:26 ` Dave Hansen
2013-01-11 1:46 ` paul.szabo
2013-01-11 8:01 ` Andrew Morton
2013-01-11 8:30 ` Simon Jeons
2013-01-11 11:51 ` paul.szabo
2013-01-11 20:31 ` Andrew Morton
2013-01-12 3:24 ` paul.szabo
2013-01-11 16:04 ` Dave Hansen [this message]
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