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Re: [PATCH] mmc: card: don't use PF_MEMALLOC

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Am 2016-03-16 um 15:41 schrieb Jens Axboe:
> On 03/16/2016 04:43 AM, Martin Kepplinger wrote:
>> PF_MEMALLOC is assigned to processes by mm. If drivers prevent memory
>> reclaim and mm is not in control, strange hang-up or OOM Killer
>> invocation
>> could happen.
>>
>> Signed-off-by: Martin Kepplinger <martink@posteo.de>
>> ---
>> I use MMC cards with this change perfectly fine. As I understand it,
>> even *if* PF_MEMALLOC has a real reason to be here, I think it should
>> be very well documented.
> 
> Did you try swap on mmcblk?
> 

No I haven't even thought about that :) If you know it can be necessary
in that case, it's obviously fine. A comment would still be good though.

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[PATCH] mmc: card: don't use PF_MEMALLOC Martin Kepplinger <martink@posteo.de> - 2016-03-16 12:50 +0100
  Re: [PATCH] mmc: card: don't use PF_MEMALLOC Jens Axboe <axboe@fb.com> - 2016-03-16 15:50 +0100
    Re: [PATCH] mmc: card: don't use PF_MEMALLOC Martin Kepplinger <martink@posteo.de> - 2016-03-16 16:10 +0100
      Re: [PATCH] mmc: card: don't use PF_MEMALLOC Jens Axboe <axboe@fb.com> - 2016-03-16 16:20 +0100

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