On Wed, 31 May 2017, Michael Ellerman wrote: > > SLUB: Unable to allocate memory on node -1, gfp=0x14000c0(GFP_KERNEL) > > cache: pgtable-2^12, object size: 32768, buffer size: 65536, default > > order: 4, min order: 4 > > pgtable-2^12 debugging increased min order, use slub_debug=O to disable.
Ahh. Ok debugging increased the object size to an order 4. This should be order 3 without debugging. > > I did try booting with slub_debug=O as the message suggested, but that > > made no difference: it still hoped for but failed on order:4 allocations. I am curious as to what is going on there. Do you have the output from these failed allocations?