Messages in this thread | | | Date | Tue, 10 Apr 2018 09:00:19 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH 1/2] slab: __GFP_ZERO is incompatible with a constructor |
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On Tue, Apr 10, 2018 at 05:53:50AM -0700, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@microsoft.com> > > __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@microsoft.com> > Cc: stable@vger.kernel.org
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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