On Tue, Aug 17, 2021 at 8:46 AM Stanislav Fomichev <sdf@xxxxxxxxxx> wrote: > > Use kvmalloc/kvfree for temporary value when manipulating a map via > syscall. kmalloc might not be sufficient for percpu maps where the value > is big (and further multiplied by hundreds of CPUs). > > Can be reproduced with netcnt test on qemu with "-smp 255". > > Signed-off-by: Stanislav Fomichev <sdf@xxxxxxxxxx> Acked-by: Song Liu <songliubraving@xxxxxx>