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Date: Mon, 6 Feb 2017 09:30:22 -0800 From: Dan Williams <dan.j.williams@...el.com> To: Christoph Hellwig <hch@...radead.org> Cc: Matthew Wilcox <mawilcox@...rosoft.com>, "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>, Dave Hansen <dave.hansen@...ux.intel.com>, linux-xfs@...r.kernel.org, Linux MM <linux-mm@...ck.org>, Vlastimil Babka <vbabka@...e.cz>, Jan Kara <jack@...e.com>, Andrew Morton <akpm@...ux-foundation.org>, linux-ext4 <linux-ext4@...r.kernel.org>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com> Subject: Re: [PATCH] mm: replace FAULT_FLAG_SIZE with parameter to huge_fault On Mon, Feb 6, 2017 at 9:27 AM, Christoph Hellwig <hch@...radead.org> wrote: > On Mon, Feb 06, 2017 at 08:24:48AM -0800, Dan Williams wrote: >> > Also can be use this opportunity >> > to fold ->huge_fault into ->fault? >> >> Hmm, yes, just need a scheme to not attempt huge_faults on pte-only handlers. > > Do we need anything more than checking vma->vm_flags for VM_HUGETLB? s/VM_HUGETLB/VM_HUGEPAGE/ ...but yes as long as we specify that a VM_HUGEPAGE handler must minimally handle pud and pmd.
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