On Thu, 12 Apr 2018, Matthew Wilcox wrote: > __GFP_ZERO requests that the object be initialised to all-zeroes, > while the purpose of a constructor is to initialise an object to a > particular pattern. We cannot do both. Add a warning to catch any > users who mistakenly pass a __GFP_ZERO flag when allocating a slab with > a constructor. Acked-by: Christoph Lameter <cl@xxxxxxxxx>