Is demand paging enabled in linux kernels of Android?

[manty kuma]

Thanks david. So my next question was that is it enabled in linux kernel
that android uses. How do i confirm it?

On Thursday, March 20, 2014, Dave Hylands <dhylands at gmail.com> wrote:

> Hi Sandeep,
>
>
> On Wed, Mar 19, 2014 at 4:48 AM, manty kuma <mantykuma at gmail.com<javascript:_e(%7B%7D,'cvml','mantykuma at gmail.com');>>
> wrote:
> >
> > Hi,
> >
> > Suppose I have an executable of size 60MB and I want to execute it on
> > android(ARM), will 60MB be allocated to load the code onto the RAM?
> >
> > I remember studying about demand paging in Linux kernel. Is it
> > relevant here? If yes, is it implemented in Linux kernels used in
> > Android?
>
> All executables are brought into memory through demand paging. So the
> kernel will only load those parts of the executable that are actually
> executed.
>
> Swap isn't typically enabled by default though (I don't recall the exact
> config options).
>
> --
> Dave Hylands
> Shuswap, BC, Canada
> http://www.davehylands.com
>
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