On Mon, Oct 22, 2012 at 10:37 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 22 Oct 2012, Ming Lei wrote: >> >> + /* >> + * Don't allocate memory with GFP_KERNEL in current >> + * context to avoid possible deadlock if usb mass >> + * storage interface or usbnet interface(iSCSI case) >> + * is included in current configuration. The easiest >> + * approach is to do it for all devices. >> + */ >> + memalloc_noio_save(noio_flag); > > Why not check dev->power.memalloc_noio_resume here too? Yes, we can use the flag here too even though it is introduced for rutime_resume case. Thanks, -- Ming Lei -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>