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SubjectRe: top stack (l)users for 2.5.67
On Mon, 14 April 2003 19:25:53 +0100, Dave Jones wrote:
> On Mon, Apr 14, 2003 at 07:46:45PM +0200, J?rn Engel wrote:
>
> > +/* FIXME: should the below go into some header file? */
> > +#define PRESTO_COPY_KML_TAIL_BUFSIZE 4096
> > struct file * presto_copy_kml_tail(struct presto_file_set *fset,
> > unsigned long int start)
> > {
>
> so, presto_copy_kml_tail() is only called from
> presto_finish_kml_truncate(), which doesn't seem to be called
> from anywhere. What am I missing here? Or can this whole lot
> just be nuked ?

No idea. I'm just trying to get the kernel into a state where the
kernel stack can be reduced to 4k relatively safely.
As far as intermezzo is concerned, I've never even heard of someone
using it and care accordingly.

> If not, this patch introduces a problem. You're now
> calling a sleeping function (kmalloc) whilst holding
> a lock according to the comment above presto_finish_kml_truncate()

Ack. Would it be ok to malloc with GFP_ATOMIC then, or would you
propose something different?

Jörn

--
ticks = jiffies;
while (ticks == jiffies);
ticks = jiffies;
-- /usr/src/linux/init/main.c
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