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Message-ID: <26d98c8f-372b-b9c8-c29f-096cddaff149@linuxfoundation.org>
Date: Mon, 21 Nov 2022 14:43:29 -0700
From: Shuah Khan <skhan@...uxfoundation.org>
To: Benjamin Coddington <bcodding@...hat.com>,
David Howells <dhowells@...hat.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
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"Martin K. Petersen" <martin.petersen@...cle.com>,
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Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v1 2/3] Treewide: Stop corrupting socket's task_frag
On 11/21/22 14:40, Shuah Khan wrote:
> On 11/21/22 07:34, Benjamin Coddington wrote:
>> On 21 Nov 2022, at 8:56, David Howells wrote:
>>
>>> Benjamin Coddington <bcodding@...hat.com> wrote:
>>>
>>>> Since moving to memalloc_nofs_save/restore, SUNRPC has stopped setting the
>>>> GFP_NOIO flag on sk_allocation which the networking system uses to decide
>>>> when it is safe to use current->task_frag.
>>>
>>> Um, what's task_frag?
>>
>> Its a per-task page_frag used to coalesce small writes for networking -- see:
>>
>> 5640f7685831 net: use a per task frag allocator
>>
>> Ben
>>
>>
>
> I am not seeing this in the mainline. Where can find this commit?
>
Okay. I see this commit in the mainline. However, I don't see the
sk_use_task_frag in mainline.
thanks,
-- Shuah
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