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/DragonOS-0.1.5/kernel/src/mm/
Dmmap.c521 struct anon_vma_t *anon = vma->anon_vma; in mm_unmap_vma() local
524 if (anon == NULL) in mm_unmap_vma()
526 semaphore_down(&anon->sem); in mm_unmap_vma()
536 semaphore_up(&anon->sem); in mm_unmap_vma()