On Tue, Jun 14, 2011 at 20:30, Arnd Bergmann<arnd@xxxxxxxx> wrote:
On Tuesday 14 June 2011 18:58:35 Michal Nazarewicz wrote:imo no allocator algorithm is gonna help if you have comparably large,
Ah yes, I forgot that separate regions for different purposes couldThat is indeed a good point, but having a good allocator algorithm
decrease fragmentation.
could also solve this. I don't know too much about these allocation
algorithms, but there are probably multiple working approaches to this.
variable-sized contiguous allocations out of a restricted address range.
It might work well enough if there are only a few sizes and/or there's
decent headroom. But for really generic workloads this would require
sync objects and eviction callbacks (i.e. what Thomas Hellstrom pushed
with ttm).