soft_dirty 2146 mm/huge_memory.c bool young, write, soft_dirty, pmd_migration = false; soft_dirty 2220 mm/huge_memory.c soft_dirty = pmd_swp_soft_dirty(old_pmd); soft_dirty 2227 mm/huge_memory.c soft_dirty = pmd_soft_dirty(old_pmd); soft_dirty 2250 mm/huge_memory.c if (soft_dirty) soft_dirty 2259 mm/huge_memory.c if (soft_dirty)