Re: Deprecating and removing SLOB

[Vlastimil Babka]

On 11/10/22 00:00, Damien Le Moal wrote:
> On 11/10/22 02:57, Conor.Dooley@xxxxxxxxxxxxx wrote:
>> +CC Damien
>> 
>>> There are some devices with configs where SLOB is enabled by default.
>>> Perhaps, the owners/maintainers of those devices/configs should be
>>> included into this thread:
>>>
>>> tatashin@soleen:~/x/linux$ git grep SLOB=y
>> 
>>> arch/riscv/configs/nommu_k210_defconfig:CONFIG_SLOB=y
>>> arch/riscv/configs/nommu_k210_sdcard_defconfig:CONFIG_SLOB=y
>>> arch/riscv/configs/nommu_virt_defconfig:CONFIG_SLOB=y
>> 
>> Saw you were not added to the CC Damien & I know you don't want your
>> baby broken!
> 
> :)
> 
> I set SLOB=y for the K210 as the config help mentions it is a bit more
> efficient in low memory cases. I did run a few times with SLAB and it
> was OK, so removing slob should not be a problem. Can check again.

Thanks, but please check with SLUB, not SLAB, if possible.
Disable SLUB_CPU_PARTIAL (default y on SMP) if you want to minimize the
memory usage.