linux-kernel - Re: [FIX] slub: Remove kmalloc under list_lock from list_slab

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Message-ID: <e9f26cbd-593b-116e-2e4a-f8e0e16c23fc@suse.cz>
Date:   Fri, 10 Jan 2020 15:11:54 +0100
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Yu Zhao <yuzhao@...gle.com>, Christopher Lameter <cl@...ux.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [FIX] slub: Remove kmalloc under list_lock from
 list_slab_objects() V2

On 12/7/19 11:03 PM, Yu Zhao wrote:
> On Mon, Dec 02, 2019 at 03:12:20PM +0000, Christopher Lameter wrote:
>> On Sat, 30 Nov 2019, Andrew Morton wrote:
>>
>>>> Perform the allocation in free_partial() before the list_lock is taken.
>>>
>>> No response here?  It looks a lot simpler than the originally proposed
>>> patch?
>>
>> Yup. I prefer this one but its my own patch so I cannot Ack this.
> 
> Hi, there is a pending question from Tetsuo-san. I'd be happy to ack
> once it's address.

Tetsuo's mails don't reach linux-mm for a while and he has given up
trying to do something about it. It's hard to discuss anything outside
the direct CC group then. I don't know what's the pending question, for
example.