Messages in this thread |  | | Subject | Re: [PATCH] radeon: use vmalloc instead of kmalloc | From | Peter Zijlstra <> | Date | Tue, 23 Jun 2009 14:34:54 +0200 |
| |
On Tue, 2009-06-23 at 21:42 +1000, Dave Airlie wrote: > On Tue, Jun 23, 2009 at 9:35 PM, Peter Zijlstra<peterz@infradead.org> wrote: > > On Mon, 2009-06-22 at 19:26 +0200, Jerome Glisse wrote: > >> We don't need to allocated contiguous pages in cs codepath > >> so use vmalloc instead. > > > > Best would be to not require >PAGE_SIZE allocations at all of course. > > It gets messy when you have copy from user and spinlocks, it would be nice > to just parse the userspace PAGE_SIZE at a time, but it would mean dropping > a lock we probably need to hold.
Can't you play tricks with refcounts?
|  |