[PATCH] misc: ocxl: Change return type for fault handler

Souptick Joarder jrdr.linux at gmail.com
Tue Jun 19 15:09:32 AEST 2018


On Thu, Jun 14, 2018 at 9:36 PM, Frederic Barrat <fbarrat at linux.ibm.com> wrote:
>
>
> Le 11/06/2018 à 22:29, Souptick Joarder a écrit :
>>
>> Use new return type vm_fault_t for fault handler. For
>> now, this is just documenting that the function returns
>> a VM_FAULT value rather than an errno. Once all instances
>> are converted, vm_fault_t will become a distinct type.
>>
>> Ref-> commit 1c8f422059ae ("mm: change return type to vm_fault_t")
>>
>> There is an existing bug when vm_insert_pfn() can return
>> ENOMEM which was ignored and VM_FAULT_NOPAGE returned as
>> default. The new inline vmf_insert_pfn() has removed
>> this inefficiency by returning correct vm_fault_ type.
>>
>> Signed-off-by: Souptick Joarder <jrdr.linux at gmail.com>
>> ---
>
>
> Thanks!
>
> Tested and
> Acked-by: Frederic Barrat <fbarrat at linux.vnet.ibm.com>
>
>

Frederic, is this patch queued for 4.19 ?


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