On 7/26/19 3:28 PM, Walter Wu wrote: > On Fri, 2019-07-26 at 15:00 +0300, Andrey Ryabinin wrote: >> > >>> >>> >>> I remember that there are already the lists which you concern. Maybe we >>> can try to solve those problems one by one. >>> >>> 1. deadlock issue? cause by kmalloc() after kfree()? >> >> smp_call_on_cpu() > >>> 2. decrease allocation fail, to modify GFP_NOWAIT flag to GFP_KERNEL? >> >> No, this is not gonna work. Ideally we shouldn't have any allocations there. >> It's not reliable and it hurts performance. >> > I dont know this meaning, we need create a qobject and put into > quarantine, so may need to call kmem_cache_alloc(), would you agree this > action? > How is this any different from what you have now?