Hi,
> how do you avoid deadlocking under memory pressure?
> It seems to me that under these semantics you can no
> longer guarantee GFP_NOIO if usb-storage or UAS are used,
> because you have no control over memory allocations user
> space makes.
Sorry, I haven't cared the case.
I found GFP_NOIO allocation in usbip_common.c:usbip_recv().
It is used for kernel mode transfer in existing code before this series.
It is not used when switched to userspace transfer introduced by this
series.
Outside this series, I will study the reason why GFP_NOIO is used.
Thank you,
n.iwata
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