Re: [linux-usb-devel] Re: usb-storage not suitable for swapping

[Oliver Neukum]

> Seems to me that if GFP_KERNEL allocation is an issue,
> every (!) I/O request path is going to need to pass memory
> allocation flags down.  That capability isn't in the usbcore
> API today (URBs).  Do we need to add a new flag to
> tell host controller drivers to only use GFP_ATOMIC?
> (URB_MEM_ATOMIC or somesuch.)

Additional remark: You should use GFP_BUFFER, not ATOMIC.
And yes, you'd need such a flag. Provided the scsi layer passes the 
information. AFAIK it doesn't.

        Regards
                Oliver

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