On Wed, Sep 02, 2015 at 02:40:03PM +0100, Michel Thierry wrote: > On 9/1/2015 10:06 AM, Michał Winiarski wrote: > >On each call to gen8_alloc_va_range_3lvl we're allocating temporary > >bitmaps needed for error handling. Unfortunately, when we increase > >address space size (48b ppgtt) we do additional (512 - 4) calls to > >kcalloc, increasing latency between exec and actual start of execution > >on the GPU. Let's just do a single kcalloc, we can also drop the size > >from free_gen8_temp_bitmaps since it's no longer used. > > > >v2: Use GFP_TEMPORARY to make the allocations reclaimable. > >v3: Drop the 2D array, just allocate a single block. > > > >Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > >Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > >Cc: Michel Thierry <michel.thierry@xxxxxxxxx> > >Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> > > Unless Chris thinks otherwise, I see Michał already addressed his comments. I think I spotted a misaligned bracket... ;) Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> -Chri -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
