On 09/11/2019 03:40 AM, Martin Raiber wrote:
> On 10.09.2019 10:35 Damien Le Moal wrote:
>> Mike,
>>
>> On 2019/09/09 19:26, Mike Christie wrote:
>>> Forgot to cc linux-mm.
>>>
>>> On 09/09/2019 11:28 AM, Mike Christie wrote:
There are several storage drivers like dm-multipath, iscsi, and nbd
On 2019/09/11 22:52, Hillf Danton wrote:
>
> On Wed, 11 Sep 2019 19:07:34 +0900
>>
>> But I guess that there is a problem.
>
> Not a new one. (see commit 7dea19f9ee63)
>
>> Setting PF_MEMALLOC_NOIO causes
>> current_gfp_context() to mask __GFP_IO | __GFP_FS, but the OOM killer cannot
>> be invok
On 2019/09/11 12:13, Hillf Danton wrote:
>
> On Tue, 10 Sep 2019 11:06:03 -0500 From: Mike Christie
>>
>>> Really? Without any privilege check? So any random user can tap into
>>> __GFP_NOIO allocations?
>>
>> That was a mistake on my part. I will add it in.
>>
> You may alternatively madvise a n
On 09/10/2019 05:00 AM, Kirill A. Shutemov wrote:
> On Mon, Sep 09, 2019 at 11:28:04AM -0500, Mike Christie wrote:
>> There are several storage drivers like dm-multipath, iscsi, and nbd that
>> have userspace components that can run in the IO path. For example,
>> iscsi and nbd's userspace deamons
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