On Thursday 11 April 2013 16:09:16 Ming Lei wrote: > On Thu, Apr 11, 2013 at 2:50 PM, Oliver Neukum <oliver@xxxxxxxxxx> wrote: > > On Thursday 11 April 2013 10:31:31 Ming Lei wrote: > > > >> 'mem_flags' isn't needed any more since we can apply allocation > >> of GFP_NOIO automatically in resume path now, and you can always > >> use GFP_KERNEL safely. Considered that it is a API, please don't > >> introduce it. > > > > The automatic system goes a long way, but there are corner cases, for example > > work queues, which still need mem_flags. > > Could you explain why work queue need GFP_NOIO? Your fix for the memory allocation depends on it happening in the same context. If you execute code on a work queue this happens in the context of a kernel thread. > and the use case for > usbnet? Processing your response from a work queue. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
