On Tue, Apr 10, 2018 at 05:53:50AM -0700, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > > __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. > > Fixes: d07dbea46405 ("Slab allocators: support __GFP_ZERO in all allocators") > Signed-off-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>