lkml.org 
[lkml]   [2012]   [Dec]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [RFC v2] Add mempressure cgroup
Date
On Monday 10 December 2012 21:05:12 Anton Vorontsov wrote:
> On Mon, Dec 10, 2012 at 01:23:09PM +0100, Bartlomiej Zolnierkiewicz wrote:
> > On Monday 10 December 2012 10:58:38 Anton Vorontsov wrote:
> >
> > > +static void consume_memory(void)
> > > +{
> > > + unsigned int i = 0;
> > > + unsigned int j = 0;
> > > +
> > > + puts("consuming memory...");
> > > +
> > > + while (1) {
> > > + pthread_mutex_lock(&locks[i]);
> > > + if (!chunks[i]) {
> > > + chunks[i] = malloc(CHUNK_SIZE);
> > > + pabort(!chunks[i], 0, "chunks alloc failed");
> > > + memset(chunks[i], 0, CHUNK_SIZE);
> > > + j++;
> > > + }
> > > + pthread_mutex_unlock(&locks[i]);
> > > +
> > > + if (j >= num_chunks / 10) {
> > > + add_reclaimable(num_chunks / 10);
> >
> > Shouldn't it use j instead of num_chunks / 10 here?
>
> Um.. They should be equal. Or am I missing the point?

Oh, ok. You're right.

j > num_chunks / 10 condition should never happen and may be removed.

> > > + printf("added %d reclaimable chunks\n", j);
> > > + j = 0;
>
> Here, we reset it.
>
> > > + }
> > > +
> > > + i = (i + 1) % num_chunks;
> > > + }
> > > +}
>
> Thanks!
> Anton.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung Poland R&D Center


\
 
 \ /
  Last update: 2012-12-11 15:01    [W:0.040 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site