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

[David Brownell]

> > Hmm, added after 2.4.10pre2 ... :)
> 
> Please explain.
> 
> > Would you happen to have a pointer to more info about what
> > this GFP_BUFFER flag is for

"grep GFP_BUFFER include/linux/*.h" said nothing; <linux/mm.h>
doesn't have such a mask.  At least, in pre2.


> I have no exact pointer. It should be somewhere in the vm documentation.
> Its meaning is "allocate memory without swapping" as opposed to ATOMIC's 
> taking memory from the free pages pool. 

OK, that's what I wanted to know.  Modulo performance tweaking,
it seems like it should only get used during swapping.  (And drivers
would need to be told that's the I/O mode.)

- Dave



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