RE2: kmalloc

RE2: kmalloc

[Michael Nguyen]

Hi David,

>>Petko Manolov writes:
>> kmalloc fails to allocate more than 128KB of
>> memory regardless of the flags (GFP_KERNEL/USER/ATOMIC)
>> 
>> Any ideas?

>Yes, this is the limit.

Im relatively new to Linux. I would like to ask.
Is this limit per kmalloc()? Can I do this multiple times?

TX,
Michael Nguyen
mnguyen@ariodata.com

Re: RE2: kmalloc

[Arnaldo Carvalho de Melo]

Em Fri, Jun 15, 2001 at 10:41:59AM -0700, Michael Nguyen escreveu:
> Hi David,
> 
> >>Petko Manolov writes:
> >> kmalloc fails to allocate more than 128KB of
> >> memory regardless of the flags (GFP_KERNEL/USER/ATOMIC)
> >> 
> >> Any ideas?
> 
> >Yes, this is the limit.
> 
> Im relatively new to Linux. I would like to ask.
> Is this limit per kmalloc()? Can I do this multiple times?

the limit is for a single invocation of kmalloc, yes, you can do it multiple
times.

- Arnaldo

Re: RE2: kmalloc

[Anton Altaparmakov]

At 18:58 15/06/2001, Arnaldo Carvalho de Melo wrote:
>Em Fri, Jun 15, 2001 at 10:41:59AM -0700, Michael Nguyen escreveu:
> > >>Petko Manolov writes:
> > >> kmalloc fails to allocate more than 128KB of
> > >> memory regardless of the flags (GFP_KERNEL/USER/ATOMIC)
> > >>
> > >> Any ideas?
> >
> > >Yes, this is the limit.
> >
> > Im relatively new to Linux. I would like to ask.
> > Is this limit per kmalloc()? Can I do this multiple times?
>
>the limit is for a single invocation of kmalloc, yes, you can do it multiple
>times.

But if you need that much memory it would be better that you use vmalloc AFAIK.

Cheers,

         Anton


-- 
   "Nothing succeeds like success." - Alexandre Dumas
-- 
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Linux NTFS Maintainer / WWW: http://sf.net/projects/linux-ntfs/
ICQ: 8561279 / WWW: http://www-stu.christs.cam.ac.uk/~aia21/

Re: RE2: kmalloc

[Arnaldo Carvalho de Melo]

Em Fri, Jun 15, 2001 at 07:26:16PM +0100, Anton Altaparmakov escreveu:
> At 18:58 15/06/2001, Arnaldo Carvalho de Melo wrote:
> >Em Fri, Jun 15, 2001 at 10:41:59AM -0700, Michael Nguyen escreveu:
> > > >>Petko Manolov writes:
> > > >> kmalloc fails to allocate more than 128KB of
> > > >> memory regardless of the flags (GFP_KERNEL/USER/ATOMIC)
> > > >>
> > > >> Any ideas?
> > >
> > > >Yes, this is the limit.
> > >
> > > Im relatively new to Linux. I would like to ask.
> > > Is this limit per kmalloc()? Can I do this multiple times?
> >
> >the limit is for a single invocation of kmalloc, yes, you can do it multiple
> >times.
> 
> But if you need that much memory it would be better that you use vmalloc AFAIK.

Yup, like I suggested to Petko in a previous message :)

- Arnaldo