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/kernel/linux/linux-5.10/arch/s390/mm/
Dgmap.c1440 unsigned long r2o, *r2e, *r3t; in gmap_unshadow_r3t() local
1444 r2e = gmap_table_walk(sg, raddr, 3); /* get region-2 pointer */ in gmap_unshadow_r3t()
1445 if (!r2e || !(*r2e & _REGION_ENTRY_ORIGIN)) in gmap_unshadow_r3t()
1448 r2o = (unsigned long) (r2e - ((raddr & _REGION2_INDEX) >> _REGION2_SHIFT)); in gmap_unshadow_r3t()
1450 r3t = (unsigned long *)(*r2e & _REGION_ENTRY_ORIGIN); in gmap_unshadow_r3t()
1451 *r2e = _REGION2_ENTRY_EMPTY; in gmap_unshadow_r3t()