On 26.5.2016 21:21, Tejun Heo wrote:
> Hello,
>
> On Thu, May 26, 2016 at 11:19:06AM +0200, Vlastimil Babka wrote:
>>> if (is_atomic) {
>>> margin = 3;
>>>
>>> if (chunk->map_alloc <
>>> - chunk->map_used + PCPU_ATOMIC_MAP_MARGIN_LOW &&
>>> -
Hello,
On Thu, May 26, 2016 at 11:19:06AM +0200, Vlastimil Babka wrote:
> > if (is_atomic) {
> > margin = 3;
> >
> > if (chunk->map_alloc <
> > - chunk->map_used + PCPU_ATOMIC_MAP_MARGIN_LOW &&
> > - pcpu_async_enabled)
> > -
On 05/25/2016 05:44 PM, Tejun Heo wrote:
Atomic allocations can trigger async map extensions which is serviced
by chunk->map_extend_work. pcpu_balance_work which is responsible for
destroying idle chunks wasn't synchronizing properly against
chunk->map_extend_work and may end up freeing the chun
Atomic allocations can trigger async map extensions which is serviced
by chunk->map_extend_work. pcpu_balance_work which is responsible for
destroying idle chunks wasn't synchronizing properly against
chunk->map_extend_work and may end up freeing the chunk while the work
item is still in flight.
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