From: kernel kernel <unix.hacker@gmail.com>
To: Pratik Solanki <pratik.solanki.ml@gmail.com>
Cc: linux-newbie@vger.kernel.org
Subject: Re: VM Vs Swap space
Date: Fri, 8 Oct 2004 08:59:02 +0530 [thread overview]
Message-ID: <104ee7a504100720292af3f3b3@mail.gmail.com> (raw)
In-Reply-To: <9cb08bfa04100709075243ce1c@mail.gmail.com>
In That case, also. There is a implicit Swap area and a Explicit area.
On Thu, 7 Oct 2004 12:07:21 -0400, Pratik Solanki
<pratik.solanki.ml@gmail.com> wrote:
> On Thu, 7 Oct 2004 10:37:40 +0100 (BST), Ankit Jain
> <ankitjain1580@yahoo.com> wrote:
> > well if we dont have a swap area then shall i say my
> > system dosent have virtual memory
>
> No.
>
> > is this correct? because i feel even if this swap area
> > is not there then also virtual memory concept exists?
>
> Virtual memory is the reason why applications can think they have 4GB
> of memory while your physical machine might actually have only 32MB.
> You don't need to have swap in order to have virtual memory, although
> its very advantageous to have swap with VM.
>
> Virtual memory maps the viurtual pages (from 0 to 4GB) to actually
> physical memory pages (from 0 to however much RAM you have). Swapping
> is the process of using the disk to store physical memory pages when
> they are not in use, and then restoring them when an application
> accesses them.
>
> Pratik.
>
>
> -
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next prev parent reply other threads:[~2004-10-08 3:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-06 8:52 VM Vs Swap space Ankit Jain
2004-10-07 1:57 ` chuck gelm
2004-10-07 6:01 ` kernel kernel
2004-10-07 9:15 ` Ankit Jain
2004-10-07 9:25 ` kernel kernel
2004-10-07 9:37 ` Ankit Jain
2004-10-07 10:31 ` chuck gelm
2004-10-07 16:05 ` Pratik Solanki
2004-10-07 16:07 ` Pratik Solanki
2004-10-08 3:29 ` kernel kernel [this message]
2004-10-07 10:41 ` chuck gelm
2004-10-07 16:09 ` Pratik Solanki
[not found] ` <20041007172157.63553.qmail@web52908.mail.yahoo.com>
2004-10-07 18:49 ` Pratik Solanki
2004-10-07 22:13 ` chuck gelm
2004-10-08 2:49 ` Jim Nelson
2004-10-08 15:25 ` Pratik Solanki
[not found] <9cb08bfa04100708182c097689@mail.gmail.com>
[not found] ` <20041007160656.32450.qmail@web52904.mail.yahoo.com>
2004-10-07 16:13 ` Pratik Solanki
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