[lkml]   [2005]   [Dec]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ?
On Thu, Dec 29, 2005 at 12:50:10PM +1100, Keith Owens wrote:
> Dave Jones (on Wed, 28 Dec 2005 20:29:15 -0500) wrote:
> >
> > > Something like this:
> > >
> > >
> >
> >One thing that really sticks out like a sore thumb is soft_cursor()
> >That thing gets called a *lot*, and every time it does a kmalloc/free
> >pair that 99.9% of the time is going to be the same size alloc as
> >it was the last time. This patch makes that alloc persistent
> >(and does a realloc if the size changes).
> >The only time it should change is if the font/resolution changes I think.
> Can soft_cursor() be called from multiple processes at the same time,
> in particular with dual head systems? If so then a static variable is
> not going to work.

My dual-head system here displays a cloned image on the second
screen, which seems to dtrt. I'm not sure how to make it show
something different on the other head to test further.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-12-29 03:47    [W:0.060 / U:4.192 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site