From: "Oleg A. Yurlov" <kris@spylog.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re[2]: "3.5GB user address space" option.
Date: Thu, 18 Oct 2001 17:47:06 +0400 [thread overview]
Message-ID: <111127919712.20011018174706@spylog.com> (raw)
In-Reply-To: <20011018110914.J12055@athlon.random>
In-Reply-To: <1981072193242.20011018021819@spylog.com> <9qlmcb$4h4$1@cesium.transmeta.com> <20011018110914.J12055@athlon.random>
Hi,
Thursday, October 18, 2001, 1:09:14 PM, you wrote:
AA> On Wed, Oct 17, 2001 at 09:38:35PM -0700, H. Peter Anvin wrote:
>> Followup to: <1981072193242.20011018021819@spylog.com>
>> By author: "Oleg A. Yurlov" <kris@spylog.com>
>> In newsgroup: linux.dev.kernel
>> >
>> >
>> > Hi, folks,
>> >
>> > How I can use 3.5GB in my apps ? I try malloc() and get error on 2G
>> > bounce... :-(
>> >
>> > Hardware - SMP server, 2Gb RAM, 8Gb swap, kernel 2.4.12aa1.
>> >
>>
>> Get a 64-bit CPU. You're running into a fundamental limit of 32-bit
>> architectures.
AA> Actually 3.5G per-process is theoretically possible using a careful
AA> userspace as Rik suggested with -aa after enabling the proper
AA> compile time configuration option. So for apps that needs say 3G
AA> per-process it should work just fine. But of course for anything that
AA> needs more than that 64bit is the right way to go :)
Thanks to all, problem solved :-) Now apps can use about 3.5G.
AA> Andrea
AA> -
AA> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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--
Oleg A. Yurlov aka Kris Werewolf, SysAdmin OAY100-RIPN
mailto:kris@spylog.com +7 095 332-03-88
prev parent reply other threads:[~2001-10-18 13:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-17 22:18 "3.5GB user address space" option Oleg A. Yurlov
2001-10-17 22:27 ` Rik van Riel
2001-10-18 4:38 ` H. Peter Anvin
2001-10-18 9:09 ` Andrea Arcangeli
2001-10-18 13:47 ` Oleg A. Yurlov [this message]
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