From: Damien Le Moal <damien.lemoal@opensource.wdc.com>
To: Vlastimil Babka <vbabka@suse.cz>, Conor.Dooley@microchip.com
Cc: cl@linux.com, rientjes@google.com, iamjoonsoo.kim@lge.com,
penberg@kernel.org, 42.hyeyoo@gmail.com, willy@infradead.org,
roman.gushchin@linux.dev, pasha.tatashin@soleen.com,
torvalds@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, catalin.marinas@arm.com,
rkovhaev@gmail.com, akpm@linux-foundation.org
Subject: Re: Deprecating and removing SLOB
Date: Sat, 12 Nov 2022 10:40:36 +0900 [thread overview]
Message-ID: <ba1d4796-b0ce-1a63-5f9d-c9da7392167d@opensource.wdc.com> (raw)
In-Reply-To: <5a902810-2e72-9021-e189-a1cd2aa6f77f@suse.cz>
On 11/11/22 19:25, Vlastimil Babka wrote:
> On 11/10/22 00:00, Damien Le Moal wrote:
>> On 11/10/22 02:57, Conor.Dooley@microchip.com 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.
Thanks for the hint. Will try that.
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2022-11-12 1:40 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-08 15:55 Vlastimil Babka
2022-11-08 18:18 ` Christophe Leroy
2022-11-08 19:17 ` Andrew Morton
2022-11-08 18:46 ` Roman Gushchin
2022-11-08 20:13 ` Yosry Ahmed
2022-11-09 9:09 ` Vlastimil Babka
2022-11-08 21:44 ` Pasha Tatashin
2022-11-09 9:00 ` Vlastimil Babka
2022-11-09 15:50 ` Aaro Koskinen
2022-11-09 16:45 ` Geert Uytterhoeven
2022-11-09 17:45 ` Mike Rapoport
2022-11-09 21:16 ` Janusz Krzysztofik
2022-11-09 17:57 ` Conor.Dooley
2022-11-09 23:00 ` Damien Le Moal
2022-11-11 10:25 ` Vlastimil Babka
2022-11-12 1:40 ` Damien Le Moal [this message]
2022-11-11 10:33 ` Vlastimil Babka
2022-11-11 20:46 ` Conor Dooley
2022-11-12 1:40 ` Damien Le Moal
2022-11-14 1:55 ` Damien Le Moal
2022-11-14 5:48 ` Damien Le Moal
2022-11-14 9:36 ` Vlastimil Babka
2022-11-14 11:35 ` Damien Le Moal
2022-11-14 14:47 ` Hyeonggon Yoo
2022-11-15 4:24 ` Damien Le Moal
2022-11-15 4:28 ` Damien Le Moal
2022-11-16 7:57 ` Matthew Wilcox
2022-11-16 8:02 ` Damien Le Moal
2022-11-16 17:51 ` Vlastimil Babka
2022-11-17 0:22 ` Damien Le Moal
2022-11-21 4:30 ` Damien Le Moal
2022-11-21 17:02 ` Vlastimil Babka
2022-11-14 11:50 ` Hyeonggon Yoo
[not found] ` <Y25E9cJbhDAKi1vd@99bb1221be19>
[not found] ` <Y26FN02o7jhV87wl@localhost>
2022-11-11 21:11 ` [lkp] [+5395 bytes kernel size regression] [i386-tinyconfig] [b7c8731082] " Vlastimil Babka
2022-11-09 20:56 Paul Cercueil
2022-11-09 21:39 ` Linus Torvalds
2022-11-09 23:48 ` Aaro Koskinen
2022-11-09 23:51 ` Aaro Koskinen
2022-11-10 4:40 ` Theodore Ts'o
2022-11-10 7:31 ` Vlastimil Babka
2022-11-10 7:54 ` Feng Tang
2022-11-10 16:20 ` Matthew Wilcox
2022-11-11 9:37 ` David Laight
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