DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:message-id:date:from:mime-version:to:subject
	:references:in-reply-to:content-type:content-transfer-encoding;
	 q=dns; s=default; b=CVHdHaC37mqC7F7xSlLYKNF0rse7LlVz2U0FMwt0ApG
	oBNBRy5CxwmkLYAWpdH2zoAKee4o0iqo/NkLCz2+eparDc0Pqz0vSiGecewX1HDI
	e1sII1pV99re/R74xd+ut/qosHJPtB2K/Ur44EDm404fnWQXg1yKv1pEej5bNmvI
	=
Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm
Sender: cygwin-owner@cygwin.com
Mail-Followup-To: cygwin@cygwin.com
Message-ID: <51879E0D.7060808@xs4all.nl>
Date: Mon, 06 May 2013 14:11:57 +0200
From: Erwin Waterlander <waterlan@xs4all.nl>
User-Agent: Mozilla/5.0 (Windows NT 6.0; rv:17.0) Gecko/20130328 Thunderbird/17.0.5
MIME-Version: 1.0
To: cygwin@cygwin.com
Subject: Re: How to let the Cygwin to use all memory in my computer?
References: <5182063A.3070001@gmail.com> <CAEhDDbBV+LhN47T6i_p2TmjP8f62xz__1jD+JpXCEvg8TcnnNQ@mail.gmail.com>
In-Reply-To: <CAEhDDbBV+LhN47T6i_p2TmjP8f62xz__1jD+JpXCEvg8TcnnNQ@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

Csaba Raduly schreef, Op 2-5-2013 9:37:
> Hi Fengchao,
>
> On Thu, May 2, 2013 at 8:22 AM, Fengchao <fcyucn@gmail.com> wrote:
>> Hi,
>>
>> I noticed that Cygwin can't use all memory in my computer that has 32G
>> available. It can only use little memory and throw a memory leak error. I
>> wonder if there is a way to let the Cygwin access all my computer's memory?
>>
>> By the way, my OS: windows 7 64 bit.
> Even if your OS is 64 bit, Cygwin itself is currently 32-bit and so
> all Cygwin programs are limited to 4GB of address space, half of which
> is normally used by the system so only 2GB is available to the program
> itself (may be increased to 3GB).
>
> 64-bit Cygwin is under development:
> http://cygwin.1069669.n5.nabble.com/HEADSUP-64-bit-Cygwin-is-coming-soon-td96743.html
>
> Csaba

And if your OS is Windows 7 Home Premium 64 bit, there is another limit.
Home Premium is limited to access only 16 GB, even if you have more RAM 
in your PC.
To access more memory you need a professional Windows version.

regards,

-- 
Erwin Waterlander
http://waterlan.home.xs4all.nl/


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple