vmap_purge_lock 1229 mm/vmalloc.c static DEFINE_MUTEX(vmap_purge_lock); vmap_purge_lock 1253 mm/vmalloc.c lockdep_assert_held(&vmap_purge_lock); vmap_purge_lock 1306 mm/vmalloc.c if (mutex_trylock(&vmap_purge_lock)) { vmap_purge_lock 1308 mm/vmalloc.c mutex_unlock(&vmap_purge_lock); vmap_purge_lock 1317 mm/vmalloc.c mutex_lock(&vmap_purge_lock); vmap_purge_lock 1320 mm/vmalloc.c mutex_unlock(&vmap_purge_lock); vmap_purge_lock 1703 mm/vmalloc.c mutex_lock(&vmap_purge_lock); vmap_purge_lock 1707 mm/vmalloc.c mutex_unlock(&vmap_purge_lock);