powerpc/mm: Handle VM_FAULT_RETRY earlier
In do_page_fault() if handle_mm_fault() returns VM_FAULT_RETRY, retry the page fault handling before anything else. This would simplify the handling of the mmap_sem lock in this part of the code. Reviewed-by:Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Laurent Dufour <ldufour@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
parent
c2294e0f
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