Messages in this thread | | | Date | Thu, 5 Sep 2019 11:59:10 -0700 | From | Matthew Wilcox <> | Subject | Re: [PATCH] mm/memory.c: Convert to use vmf_error() |
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On Fri, Sep 06, 2019 at 12:13:00AM +0530, Souptick Joarder wrote: > +++ b/mm/memory.c > @@ -1750,13 +1750,10 @@ static vm_fault_t __vm_insert_mixed(struct vm_area_struct *vma, > } else { > return insert_pfn(vma, addr, pfn, pgprot, mkwrite); > } > - > - if (err == -ENOMEM) > - return VM_FAULT_OOM; > - if (err < 0 && err != -EBUSY) > - return VM_FAULT_SIGBUS; > - > - return VM_FAULT_NOPAGE; > + if (!err || err == -EBUSY) > + return VM_FAULT_NOPAGE; > + else > + return vmf_error(err); > }
My plan is to convert insert_page() to return a VM_FAULT error code like insert_pfn() does. Need to finish off the vm_insert_page() conversions first ;-)
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