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    SubjectRe: [PATCH RFC V2 12/17] memremap: Add zone device access protection
    On Fri, Jul 17, 2020 at 12:20:51AM -0700, ira.weiny@intel.com wrote:
    > +static pgprot_t dev_protection_enable_get(struct dev_pagemap *pgmap, pgprot_t prot)
    > +{
    > + if (pgmap->flags & PGMAP_PROT_ENABLED && dev_page_pkey != PKEY_INVALID) {
    > + pgprotval_t val = pgprot_val(prot);
    > +
    > + static_branch_inc(&dev_protection_static_key);
    > + prot = __pgprot(val | _PAGE_PKEY(dev_page_pkey));
    > + }
    > + return prot;
    > +}

    Every other pgprot modifying function is called pgprot_*(), although I
    suppose we have the exceptions phys_mem_access_prot() and dma_pgprot().

    How about we call this one devm_pgprot() ?

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