On Thu, Mar 16, 2023 at 08:04:24PM +0100, Greg Kroah-Hartman wrote: > > How can you trigger a GFP_ATOMIC memory failure? If you do, worse > things are about to happen to your system, right? > > thanks, > > greg k-h Well, Syzkaller triggers them with fail slab, and that is more for debugging purposes to detect improper handling of error paths. I agree that if GFP_ATOMIC memory allocation fails then the system is in more trouble. Do you mean this is the point not to backport it? Now I'm actually not quite sure about this... It's not clear to me whether such things should be backported: on one hand, it is a bug which can actually occur (yes, in very bad situation), on the other - the whole system is not good anyway.
