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/Linux-v4.19/arch/s390/mm/
Dvmem.c78 pud_t *pu_dir; in vmem_add_mem() local
102 pu_dir = vmem_crst_alloc(_REGION3_ENTRY_EMPTY); in vmem_add_mem()
103 if (!pu_dir) in vmem_add_mem()
105 p4d_populate(&init_mm, p4_dir, pu_dir); in vmem_add_mem()
107 pu_dir = pud_offset(p4_dir, address); in vmem_add_mem()
108 if (MACHINE_HAS_EDAT2 && pud_none(*pu_dir) && address && in vmem_add_mem()
111 pud_val(*pu_dir) = address | r3_prot; in vmem_add_mem()
116 if (pud_none(*pu_dir)) { in vmem_add_mem()
120 pud_populate(&init_mm, pu_dir, pm_dir); in vmem_add_mem()
122 pm_dir = pmd_offset(pu_dir, address); in vmem_add_mem()
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