Re: [linux-usb-devel] OOM and USB, latest Linux 2.6
From: Alan Stern
Date: Sat Feb 17 2007 - 12:08:13 EST
On Sat, 17 Feb 2007, Dan Aloni wrote:
> Is it possible that OOM isn't handled very well if say, my entire
> file system structure is on a USB storage device?
> I'm not an expert on this particular matter but I'm pretty sure
> that I noticed GFP_KERNEL allocation being done on the write-out
> path in the usb-storage kernel thread, leading to a deadlock
> during OOM.
Can you be any more specific than that? usb-storage should use only
GFP_NOIO in its I/O paths.
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