On 14 Jan 2020, at 1:49, Magnus Karlsson wrote: > When registering a umem area that is sufficiently large (>1G on an > x86), kmalloc cannot be used to allocate one of the internal data > structures, as the size requested gets too large. Use kvmalloc instead > that falls back on vmalloc if the allocation is too large for kmalloc. > > Also add accounting for this structure as it is triggered by a user > space action (the XDP_UMEM_REG setsockopt) and it is by far the > largest structure of kernel allocated memory in xsk. > > Signed-off-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> > Reported-by: Ryan Goodfellow <rgoodfel@xxxxxxx> Acked-by: Jonathan Lemon <jonathan.lemon@xxxxxxxxx>
