__ptep_modify_prot_start 390 arch/x86/kernel/paravirt.c .mmu.ptep_modify_prot_start = __ptep_modify_prot_start, __ptep_modify_prot_start 2414 arch/x86/xen/mmu_pv.c .ptep_modify_prot_start = __ptep_modify_prot_start, __ptep_modify_prot_start 651 include/asm-generic/pgtable.h return __ptep_modify_prot_start(vma, addr, ptep);